You read correctly, but that doesn't apply to your example. In your case, properties float affecting only elements .l_part♪ .l_partbut not their contents. All you need to do is level the insides of these blocks. And since all your internal blocks have properties. inline-blockthey can be even.All internal inline-blockHere we go. vertical-align: middleso that they're even together. (sighs).picture♪ .l_text♪ .r_text♪ .phone)For the picture, we're going to have our properties. display: blockso that it does not add an empty space that will destroy the leveling. https://learn.javascript.ru/space-under-img )Inside head .header After the charcoal elements - i mean, at the end of your case, we add <div> with properties clear: bothto clean up the flow. http://www.css-tricks.ru/articles/details/AllAboutFloats )

.fl {float:left} .fr {float:right} .no {float:none} .oh {overflow:hidden} .wrap{ width: 30px; } .test{ display: inline-block; }<div class="wrap oh"> <div class="test ">1</div> <div class="test fr">2</div> <div class="test fl">3</div> </div>If you add an inline, then you can roll the barn. .fl {float:left} .fr {float:right} .no {float:none} .oh {overflow:hidden} .wrap{ width: 30px; } .test{ display: inline-block; }<div class="wrap oh"> <div class="test ">1</div> <div class="test fl">2</div> <div class="test fr">3</div> </div>or just like that, otherwise, it's impossible to do this. .fl {float:left} .fr {float:right} .no {float:none} .oh {overflow:hidden} .wrap{ width: 30px; }<div class="wrap oh"> <div class="test fr">1</div> <div class="test no">2</div> <div class="test fr">3</div> </div>.fl {float:left} .fr {float:right} .no {float:none} .oh {overflow:hidden} .wrap{ width: 30px; }<div class="wrap oh"> <div class="test fl">1</div> <div class="test no">2</div> <div class="test fl">3</div> </div>

I think I solved the problem. QString::number(a * b, 'g', 10) As a result, there is no response.

Float It's almost right. 1kb skate room + 4 more for each variable. Don't... Normal operation *100 when data are received and /%100 when they are on the screen solves your problem

The cell in your example is ruined by display: inline-block; Slides.The point is that the structural (inline-block) elements, when located in a row, are trying to act as stiff (inline) - to be in line with the interliny (line-height), the size of the print (font-size). And what is important in your case is that there may be a slight gap between them equal to the width of the gap at the prescribed level of the print. He's going to break the grid - the gap between the tiles is bigger than you're asking with help. margin♪The problem solves the installation display: block; and float: left; for these units:.tile { max-width: 300px; max-height: 200px; position: relative; display: block; margin: 10px; float: left; } margin We can return to the value. 10pxand for the small and the big secret. The cell won't go.

That's right. float He's got four bikes, and double - 8 Byte, respectively. The numbers in parentheses after the type indicates do not relate to how the number will be stored, but to how it will be presented in a decimal place: first parameter - maximum total number of numerals, second - maximum number of post-coloured signs (e.g.e. when indicated) FLOAT(7,4) or DOUBLE(7,4) to be submitted -999.9999)

For example, by virtue of properties display: inline-block; :.outline-3 { width: 32%; /* Ширина слоя */ max-width: 32%; /* Максимальная Ширина слоя */ min-width: 370px;/* Минимальная ширина слоя */ /* float: left; Выравнивание блока слева */ background: #E6EEDE; /* Цвет фона */ box-shadow: 7px 7px 10px rgba(0,0,0,0.6), /* Наружняя тень */ 0 5px 10px rgba(0, 0, 0, 0.6) inset, /* Наружняя вертикальная тень */ 0 0 40px rgba(0, 0, 0, 0.5) inset; /* Внутренняя тень */ border: 1px solid #000000; /* Рамка */ border-radius: 0px 0px 10px 10px; padding: 0px 5px 0px 5px; /* Отступы */ text-align: center; /* Выравнивание содержимого по-центру */ display: inline-block; vertical-align: middle; } .text-2 { font: 18pt tahoma; color: #1E293B; text-shadow: 1px 1px 1px rgba(0,0,0,0.9); /* Тень текста*/ } .wrap { text-align: center; /* Задает контенту выравнивание по-центру */ }<div class="wrap"> <div class="outline-3"> <p class="text-2">Если ты хочешь получать свежие подробные статьи этого блога с картинками и видео в свой почтовый ящик, то введи свой E-mail в форму ниже, и как только я напишу статью на блоге, ты первым об этом узнаешь! </p> </div> <div class="outline-3" > <p class="text-2">Если ты хочешь получать свежие подробные статьи этого блога с картинками и видео в свой почтовый ящик, то введи свой E-mail в форму ниже, и как только я напишу статью на блоге, ты первым об этом узнаешь! </p> </div> <div class="outline-3" > <p class="text-2">Если ты хочешь получать свежие подробные статьи этого блога с картинками и видео в свой почтовый ящик, то введи свой E-mail в форму ниже, и как только я напишу статью на блоге, ты первым об этом узнаешь! </p> </div> </div>Or so, virtue. flex:.outline-3 { width: 32%; /* Ширина слоя / max-width: 32%; / Максимальная Ширина слоя / min-width: 370px;/ Минимальная ширина слоя / / float: left; Выравнивание блока слева / background: #E6EEDE; / Цвет фона / box-shadow: 7px 7px 10px rgba(0,0,0,0.6), / Наружняя тень / 0 5px 10px rgba(0, 0, 0, 0.6) inset, / Наружняя вертикальная тень / 0 0 40px rgba(0, 0, 0, 0.5) inset; / Внутренняя тень / border: 1px solid #000000; / Рамка / border-radius: 0px 0px 10px 10px; padding: 0px 5px 0px 5px; / Отступы */ text-align: center; /* Выравнивание содержимого по-центру */ } .text-2 { font: 18pt tahoma; color: #1E293B; text-shadow: 1px 1px 1px rgba(0,0,0,0.9); /* Тень текста*/ } .wrap { display: flex; flex-flow: row nowrap; align-items: center; align-content: center; justify-content: center; }<div class="wrap"> <div class="outline-3"> <p class="text-2">Если ты хочешь получать свежие подробные статьи этого блога с картинками и видео в свой почтовый ящик, то введи свой E-mail в форму ниже, и как только я напишу статью на блоге, ты первым об этом узнаешь! </p> </div> <div class="outline-3" > <p class="text-2">Если ты хочешь получать свежие подробные статьи этого блога с картинками и видео в свой почтовый ящик, то введи свой E-mail в форму ниже, и как только я напишу статью на блоге, ты первым об этом узнаешь! </p> </div> <div class="outline-3" > <p class="text-2">Если ты хочешь получать свежие подробные статьи этого блога с картинками и видео в свой почтовый ящик, то введи свой E-mail в форму ниже, и как только я напишу статью на блоге, ты первым об этом узнаешь! </p> </div> </div>

The calculations with the floating comma work with error in any language. The errors are due to the fact that the numbers appear as a drab with a denominator 2. Some numbers like this can't be written off, so it's a mistake.

I suspect that the Language Standard should be based on the IEEE-754 in matters of floating arithmetics, and the rest only concerns whole numbers. Standard IEEE-754 states that the non-responsive value (including infinity) can be divided into zero, the result will be infinite. Dealing zero on zero is also acceptable, and we'll get quite NaN, which is analog of some uncertainty.If the processor works strictly on IEE-754 and the language compiler is not.Furthermore, if it is feared that the result may become infinite, the denominator is not necessarily equal to zero, it may be, for example, equal to zero. 0,5and the numerator is just over half the maximum possible. It appears that in order to avoid an endless answer, it is clearly not enough to check the denominator. 0.0f, we need to be notified to the numerator, and we can do this through a division before which we actually try to check: ) I doubt that the language creators are so invisible that they would allow such a gap.

I need a steaming line. The answer was slightly more than I expected, very concise, but for example, I hope you can:using System; using System.Collections.Generic; namespace ConsoleApplication1 { class Program { public static float Eval(string expres) { string[] number = expres.Split("+-*/sincostg()".ToCharArray()); var listNumber = new List<string>(); foreach (var item in number) { if(!item.Equals("") &amp;&amp; !item.Equals(" ")) { listNumber.Add(item); } } number = listNumber.ToArray(); float result = Convert.ToSingle(number[0]); string[] operation = expres.Split("0123456789()".ToCharArray()); listNumber.Clear(); foreach (var item in operation) { if (!item.Equals("") &amp;&amp; !item.Equals(" ")) { listNumber.Add(item); } } operation = listNumber.ToArray(); for(int i = 0; i &lt; operation.Length; i++) { if(!operation[i].Equals("+") &amp;&amp; !operation[i].Equals("-") &amp;&amp; !operation[i].Equals("*") &amp;&amp; !operation[i].Equals("/")) { operation[i] = operation[i].Remove(0, 3); } } for (int i = 0; i &lt; operation.Length; i++) { if (operation[i].Equals("+")) { result += Convert.ToSingle(number[i]); } if (operation[i].Equals("-")) { result -= Convert.ToSingle(number[i]); } if (operation[i].Equals("*")) { result *= Convert.ToSingle(number[i]); } if (operation[i].Equals("/")) { result /= Convert.ToSingle(number[i]); } if (operation[i].Equals("sin")) { if ((i != 0) &amp;&amp; operation[i - 1].Equals("+")) { result += (float)Math.Sin(Convert.ToSingle(number[i])); } if ((i != 0) &amp;&amp; operation[i - 1].Equals("-")) { result -= (float)Math.Sin(Convert.ToSingle(number[i])); } if ((i != 0) &amp;&amp; operation[i - 1].Equals("*")) { result *= (float)Math.Sin(Convert.ToSingle(number[i])); } if ((i != 0) &amp;&amp; operation[i - 1].Equals("/")) { result /= (float)Math.Sin(Convert.ToSingle(number[i])); } if(i == 0) { result = (float)Math.Sin(Convert.ToSingle(number[i])); } } if (operation[i].Equals("cos")) { if ((i != 0) &amp;&amp; operation[i - 1].Equals("+")) { result += (float)Math.Cos(Convert.ToSingle(number[i])); } if ((i != 0) &amp;&amp; operation[i - 1].Equals("-")) { result -= (float)Math.Cos(Convert.ToSingle(number[i])); } if ((i != 0) &amp;&amp; operation[i - 1].Equals("*")) { result *= (float)Math.Cos(Convert.ToSingle(number[i])); } if ((i != 0) &amp;&amp; operation[i - 1].Equals("/")) { result /= (float)Math.Cos(Convert.ToSingle(number[i])); } if (i == 0) { result = (float)Math.Cos(Convert.ToSingle(number[i])); } } if (operation[i].Equals("tg")) { if ((i != 0) &amp;&amp; operation[i - 1].Equals("+")) { result += (float)Math.Tan(Convert.ToSingle(number[i])); } if ((i != 0) &amp;&amp; operation[i - 1].Equals("-")) { result -= (float)Math.Tan(Convert.ToSingle(number[i])); } if ((i != 0) &amp;&amp; operation[i - 1].Equals("*")) { result *= (float)Math.Tan(Convert.ToSingle(number[i])); } if ((i != 0) &amp;&amp; operation[i - 1].Equals("/")) { result /= (float)Math.Tan(Convert.ToSingle(number[i])); } if (i == 0) { result = (float)Math.Tan(Convert.ToSingle(number[i])); } } } return result; } static void Main(string[] args) { Console.WriteLine(Eval("5+5-3 * sin(11) - cos(55) / tg(20)")); Console.Read(); } } }

Put all the elements in one divine class, for example <div class="content"> and CSS Write:.content { margin: 0 auto; }

Why do you need some float? Use absolute positioning..p { width:50%; position:relative } .con { width:50%; height: 100px; background-color: green; display: inline-block; } .c1 { width:25%; height: 50px; box-sizing:border-box; background-color: red; position:absolute; right: 0; top: 0; } .c2 { width:40%; height: 50px; box-sizing:border-box; background-color: blue; position:absolute; right: 0; top: 50%; }<div class='p'> <span class='con'></span> <span class='c1'></span> <span class='c2'></span> </div>

Use it. css properties margin-left:.block { height:100px; width:100px; background-color: red; float:left; /* поднять над потоком и прижать влево */ } .container { height:200px; width:200px; background-color:yellow; margin-left:100px; /* значение равно ширине .block */ }<div class="block"></div> <div class="container"></div>Another way. Put Container downtown and put a block on his right..container { height:200px; width:200px; background-color:yellow; margin: auto; position:relative; } .block { height:100px; width:100px; background-color: red; position:absolute; left:-100px; }<div class="container"> <div class="block">меню</div> текст </div>

Try Border blocks. box-sizing: border-box; -moz-box-sizing: border-box; /* Для Firefox */ and width:25px

BaseGcc 5.3.0 appears to have been:$ gcc TestIEEE754Convertion.cpp TestIEEE754Convertion.cpp:80:3: warning: floating constant truncated to zero [-Woverflow] -2.470328229206232720882843964341106861825e-324, ^ TestIEEE754Convertion.cpp:19:3: warning: anonymous type with no linkage used to declare variable ‘<anonymous union> f32’ with linkage } f32; ^ TestIEEE754Convertion.cpp:25:3: warning: anonymous type with no linkage used to declare variable ‘<anonymous union> f64’ with linkage } f64; ^ $ ./a.out ::: Single precision ::: Right on test 0 Right on test 1 Right on test 2 Right on test 3 Right on test 4 Right on test 5 Right on test 6 Right on test 7 ::: Double precision ::: Right on test 0 Right on test 1 Right on test 2 Right on test 3 Right on test 4 Right on test 5 Right on test 6 Right on test 7 Right on test 8 Right on test 9 Right on test 10 Right on test 11 Right on test 12 Right on test 13 Right on test 14 Right on test 15 Right on test 16 Right on test 17 Right on test 18 Right on test 19 Right on test 20 Right on test 21 Right on test 22 Right on test 23 Gcc 4.8.5:$ ./a.out ::: Single precision ::: Right on test 0 Right on test 1 Right on test 2 Right on test 3 Right on test 4 Right on test 5 Right on test 6 Right on test 7 ::: Double precision ::: Right on test 0 Right on test 1 Right on test 2 Right on test 3 Right on test 4 Right on test 5 Right on test 6 Right on test 7 Right on test 8 Right on test 9 Right on test 10 Error on test 11: 0x7fefffffffffffff != 0x7feffffffffffffe Error on test 12: 0x7fefffffffffffff != 0x7feffffffffffffe Right on test 13 Right on test 14 Right on test 15 Right on test 16 Right on test 17 Right on test 18 Right on test 19 Error on test 20: 0x8000000000000000 != 0x8000000000000001 Right on test 21 Right on test 22 Right on test 23 Gcc 4.9.3:$ ./a.out ::: Single precision ::: Right on test 0 Right on test 1 Right on test 2 Right on test 3 Right on test 4 Right on test 5 Right on test 6 Right on test 7 ::: Double precision ::: Right on test 0 Right on test 1 Right on test 2 Right on test 3 Right on test 4 Right on test 5 Right on test 6 Right on test 7 Right on test 8 Right on test 9 Right on test 10 Right on test 11 Right on test 12 Right on test 13 Right on test 14 Right on test 15 Right on test 16 Right on test 17 Right on test 18 Right on test 19 Right on test 20 Right on test 21 Right on test 22 Right on test 23 Hard 2Good for UPD2 Gcc 5, too.$ gcc TestIEEE754ConvertionHard2.cpp $ ./a.out OK Gcc 4.8.5 - ERROR, Gcc 4.9.3 - OKHard 3$ g++-5 -O0 ./TestIEEE754ConvertionHard3.cpp ./TestIEEE754ConvertionHard3.cpp:19:3: предупреждение: anonymous type with no linkage used to declare variable «<anonymous union> f32» with linkage } f32; ^ ./TestIEEE754ConvertionHard3.cpp:25:3: предупреждение: anonymous type with no linkage used to declare variable «<anonymous union> f64» with linkage } f64; ^ $ ./a.out ::: Double precision ::: Right on test 0 Right on test 1 Right on test 2 Right on test 3 Right on test 4 Right on test 5 Right on test 6 Right on test 7 Right on test 8 Looks like it's gone. Gcc 4.9 is similar. Gcc 4.8 Files 5, 7, 8Strict aliasingBy the way, I can get a little confused, but isn't that a change?#define TEST(HI, LO, F) f = F; if ((((unsigned short int)&f)+4) != HI || (unsigned long long)&f != LO) { printf ("ERROR"); return 1; } Do not violate the rule strict-aliasing? No, of course not. -Wstrict-aliasing -fstrict-aliasing This place passes and the code on the working compilators works. But it's a little bit, it's not.

You need to put the elements of each row into the block: [[][]] [[][][]] [[]] But there's one nuance. float: left Makes the squirrels stick around each other, and to drop this behavior for the next few elements, one container is not enough, you need to use. clearfix for this container.Crossbrowser clearfix Here..clearfix:after { content: " "; visibility: hidden; display: block; height: 0; clear: both; } It should be assigned to each row container.But also, for modern browsers, a good option would be to use. dispay: inline-block - it also allows blocks to be placed behind each other, but no problem. float- blocks, i.e. for the discharge of a number of a fairly ordinary outer container.

Php will handle the numbers in the lines. All you need to do is replace the comma by the point: http://ideone.com/Vt46xG <?php $a = 350; $b = '350,00'; $c = '120.5'; $d = '120,50'; $b = str_replace(',', '.', $b); $c = str_replace(',', '.', $c); $d = str_replace(',', '.', $d); echo ($a == $b ? "$a == $b\n" : "$a != $b\n"); echo ($c == $d ? "$c == $d\n" : "$c != $d\n"); echo ($a == $c ? "$a == $c\n" : "$a != $c\n"); Conclusion:350 == 350.00 120.5 == 120.50 350 != 120.5

I don't know exactly how you're building a matrix, but it's possible that its normalization after construction (or pre-construction data). If the matrix is very close, the calculation of the scallar works will result in a loss of accuracy if the matrices are not large, the accuracy is lost somewhere in its construction (possibly because of unnormated baseline data). Removing the position you've been writing about is only part of the rule, it's still necessary to change the size of the multiplication to a suitable standard scallar.

1 optiondisplay: inline-block*{ padding: 0; margin: 0; } .wrap{ font-size: 0; } .wrap > div{ height: 100px; width: 50%; display: inline-block; vertical-align: middle; font-size: 20px; } .wrap > .left{ background: red; } .wrap > .right{ background: green; }<div class="wrap"> <div class="left">left</div> <div class="right">right</div </div>2 Optiondisplay: table*{ padding: 0; margin: 0; } .wrap{ display: table; width: 100%; table-layout: fixed; height: 100px; } .wrap > div{ display: table-cell; vertical-align: top; font-size: 20px; } .wrap > .left{ background: red; } .wrap > .right{ background: green; }<div class="wrap"> <div class="left">left</div> <div class="right">right</div </div>3 Optiondisplay: flex*{ padding: 0; margin: 0; } .wrap{ display: flex; height: 100px; } .wrap > div{ width: 50%; font-size: 20px; } .wrap > .left{ background: red; } .wrap > .right{ background: green; }<div class="wrap"> <div class="left">left</div> <div class="right">right</div </div>

Use the class. http://doc.qt.io/qt-5/qdatastream.html and setFloatingPointPrecision()♪QByteArray arr; float f1, f2; QDataStream ds(&arr, QIODevice::ReadOnly); ds.setFloatingPointPrecision(QDataStream::SinglePrecision); ds >> f1 >> f2; To read double and float, we need to switch the precision.QByteArray arr; float f1; double f2; QDataStream ds(&arr, QIODevice::ReadOnly); ds.setFloatingPointPrecision(QDataStream::SinglePrecision); ds >> f1; ds.setFloatingPointPrecision(QDataStream::DoublePrecision); ds >> f2; Either you can read "the root" bayta:QDataStream ds(&arr, QIODevice::ReadOnly); ds.readRawData(reinterpret_cast<char*>(&f1), sizeof(f1)); ds.readRawData(reinterpret_cast<char*>(&f2), sizeof(f2));