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What do you need to know the hacker?

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kalena last edited by

What you need to know to do is... http://youtube.com/watch?v=Ezi_sZpl5PY ? What technologies, OSI levels, etc. need to be well known?
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authera last edited by
- First, run. It's good to run because when they catch up, they're good.
- Two, we need to figure out what it's fashionable to call a smart house when light, heat and other communications are centralized. It's clear that if the light is only switched on by a normal switch, then be in the tenth knee of a later hacker, it's not gonna work. Therefore, it is very good to study electronics and electrical equipment, at least at the base level of the RTF Faculty. To be able to hold the piano, welcome.
- The third is English. It's just a lot of literature on him and it's gonna be much easier with him.
- Fourth, given recent trends, Chinese (to read the docks in the original).
- The fifth is a tetrix / shooter to be able to write, then it's not a thing to put on the screen. But you need to learn. I'd like to study with+/assembler. There is no need to speak other languages.
- And the last thing is a lot of free time, a desire to learn and not give up some luck.
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Universal protection against xs-attack and sql-injection
Software Programming • break in • • Saumya

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If your universal protection were on this website, you wouldn't be able to publish your question. All special symbols and sequences are of special importance only in special contexts. The database is not scary with js-code examples, there's nothing criminalized in the DROP TABLE.So you need to screen data in specific cases.SQL requests. Opportunities can be used PDO or other libraries.HTML -- htmlspecialchars♪somewhere else where you don't suspect (e.g. regular expressions -- preg_quote)It turns out that every case requires its shielding function. And these functions are already in place, and they only need to be used. Processing will cause problems.
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Why do you need IServiceProvider?
Software Programming • c sharp net core service provider • • Kadyn

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IServiceProvider It's an interface that allows you to use your dependence code.How did Mark Shevchenko write correctly to fully understand the book "Introduction of Dependencies in NET."But in general, it works.For example, you have a class that depends on the data of some vault that can be accessed through some intermediate classes. In normal programming, it looks like,class MsSqlDataAccessor { public DbDataAccessor() {/*тут логика инициализации*/} public IList<MyCoolEntity> GetAll() { //тут много кода специфичного для вашей бд. } } class Summarizer { public Summarizer() {/тут логика инициализации/} public GetSum() { var dataAccessor = new MsSqlDataAccessor(); var result = 0; foreach(var item in dataAccessor.GetAll()){ result += item.Sum; } } } If you have a need to test this code in the youth test, you need to create an additional database and use it in the tests. If you need to use another database or web service as a data source, in dependence on the lines, you'll need to add if/else to every location where a copy of MsSqlDataAccessor is created to create a copy of the right class. It'll make the code very complicated.To make life easier IServiceProvider and IServiceCollection♪ IServiceCollection is used to determine the list of available services. IServiceProvider Used to retrieve the services you need from the collection. Example with the same classes.public interface IDataAccessor { IList<MyCoolEntity> GetAll(); } class MsSqlDataAccessor : IDataAccessor { public DbDataAccessor() {/тут логика инициализации/} public IList<MyCoolEntity> GetAll() { //тут много кода специфичного для вашей бд. } } class MockDataAccessor : IDataAccessor { public DbDataAccessor() {/тут логика инициализации/} public IList<MyCoolEntity> GetAll() { var result = new List<MyCoolEntity>(); result.Add(new MyCoolEntity() { Sum = 100; }); result.Add(new MyCoolEntity() { Sum = 200; }); return result; } } class Summarizer { private readonly IServiceProvider _serviceProvider; public Summarizer(IServiceProvider serviceProvider) { _serviceProvider = serviceProvider; /тут логика инициализации/ } public GetSum() { var dataAccessor = _serviceProvider.GetService<IDataAccessor>(); var result = 0; foreach(var item in dataAccessor.GetAll()){ result += item.Sum; } } } And somewhere in the initialization of the application, most likely in Startup.cs or specially assigned class, there's this code: Services.AddScoped<IDataAccessor, MsSqlDataAccessor>(); // Здесь Services - экземпляр класса реализующего IServiceCollectionА в юнит-тесте есть такой код: var services = new ServiceCollection(); var mockAccessor = new MockDataAccessor(); services.AddScoped<IServiceProvider, MsSqlDataAccessor>() var summarizer = new Summarizer(services.BuildServiceProvider()); var result = summarizer.GetSum(); Assert.Equals(300, result);
Gun or what?
Software Programming • break in • • irl

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Try another browser or incognito mode, if there's all the oc, it's more of an evil expansion into the browser.
What is the need for __proto__?
Software Programming • javascript • • Marcee

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There are already answers explaining theory that can be useful: https://pt.stackoverflow.com/q/15239/51124 https://pt.stackoverflow.com/q/42962/51124 https://pt.stackoverflow.com/q/100576/51124
I need to create a form via css so that the user knows that selected a button
Software Programming • html css • • emmalee

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To do this kind of event via CSS I don't know. But with jQuery you can do this:#btn-click{ background-color: blue; padding: 10px; }<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <button id="btn-click" type="button">Meu botão</button> <script type="text/javascript"> $("#btn-click").click(function() { $(this).css("background-color", "red"); }); </script>
I don't know what to do with the cosoli.
Software Programming • java launch • • briley

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I don't really understand how the introduction of the drab is different. ♪BufferedReader br=new BufferedReader (new InputStreamReader(System.in)); String text=br.readLine(); double number=Double.parseDouble(text); //если не число будет Exception
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I'm a java beginner and I'm looking to get to know more about, and so I'd like to know how I do to know if the threads are running?
Software Programming • • Raziyah00

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The class Thread is a Java abstraction for OS threads.The class typically used to create a thread pool is wrong. It wouldn't be ThreadPool of the CORBA package, and yes for example one Executor of the Java competition package.Even so it will not give access to the individual threads of the threads (tank) and an API for scheduling tasks to be executed by the threads of that pool, in a closed way, without control of the individual threads.To know if a specific thread is running a shape is to instantiate it and save its reference in a variable. Example:Thread thread = new Thread(runnable); thread.start(); if (thread.isAlive()) { System.out.println("A thread está rodando."); } To understand more about threads study material about Threads from Java (no https://docs.oracle.com/javase/tutorial/essential/concurrency/index.html Oracle has, in English), the competition control capabilities, and later on the Executors to create thread pools.It is also worth studying about threads from the point of view of the operating system. A possible starting point: https://pt.stackoverflow.com/q/95233/357
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How do you know Skype
Software Programming • java android • • magpie

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I don't think that code needs to be clarified:private boolean isAppInstalled(String packageName) { PackageManager pm = getPackageManager(); boolean installed = false; try { pm.getPackageInfo(packageName, PackageManager.GET_ACTIVITIES); installed = true; } catch (PackageManager.NameNotFoundException e) { installed = false; } return installed; }
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Where do we start the hacking? Sonic break, etc?
Software Programming • break in • • nishika

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We need to start by studying the Penal Code because, as Ostap Bender said, The Criminal Code must be read. http://www.consultant.ru/document/cons_doc_LAW_10699/5c337673c261a026c476d578035ce68a0ae86da0/ :Inappropriate access to legally protected computer information if the act resulted in the destruction, blocking, modification or copying of computer information - A fine of up to 200 thousand roubles, or of the amount of wages or other income of the convicted person up to eighteen months, or correctional work for up to one year or restriction of liberty for up to two years, or forced labour for up to two years or imprisonment for the same period.
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Why do you need a subpoena?
Software Programming • sql • • rosemadder

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We're not just looking for "maximum value," it's all max. To that end, we need to get the value of this highest rating. And pick up all the records that match the maximum.As for "just rating=MAX(rating)- Which group is used for aggregation? What do you need, a maximum rating of all customers or a maximum rating of clients in the same region? And so on, and so on. The use of aggregating functions in one request with other fields requires a description of the grouping. That's why these things are being questioned.
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I don't know how to do that.
Software Programming • javascript html cs3 • • rielyn

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.left-to-right { mask-image: linear-gradient(to left, rgba(0,0,0,0), rgba(0,0,0,1)); -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0), rgba(0,0,0,1)); } .rigth-to-left { mask-image: linear-gradient(to right, rgba(0,0,0,0), rgba(0,0,0,1)); -webkit-mask-image: linear-gradient(to right, rgba(0,0,0,0), rgba(0,0,0,1)); } .top-to-bottom { mask-image: linear-gradient(to bottom, rgba(0,0,0,0), rgba(0,0,0,1)); -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0), rgba(0,0,0,1)); } .bottom-to-top { mask-image: linear-gradient(to top, rgba(0,0,0,0), rgba(0,0,0,1)); -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,0), rgba(0,0,0,1)); } .to-rottom-left { mask-image: linear-gradient(to left, rgba(0,0,0,0), rgba(0,0,0,1)); -webkit-mask-image: linear-gradient(to bottom left, rgba(0,0,0,0), rgba(0,0,0,1)); } .abrupt { mask-image: linear-gradient(to bottom left, 50% rgba(0,0,0,0), 50% rgba(0,0,0,1)); -webkit-mask-image: linear-gradient(to bottom left, rgba(0,0,0,0) 50% ,rgba(0,0,0,1) 50%); } .round { mask-image: radial-gradient(rgba(0,0,0,0), rgba(0,0,0,1)); -webkit-mask-image: radial-gradient(rgba(0,0,0,1) 50%, rgba(0,0,0,0) 60%); } /* ------------- card styles --------------*/ :root { --side: 100px; --inner-side: 90px; } body { background-color: #69c; counter-reset: section; display: flex; flex-wrap: wrap; } .character-box { -webkit-background-clip: text; -webkit-text-fill-color: transparent; width: var(--side); height: var(--side); margin: 10px; line-height: var(--side); text-align: center; vertical-align: middle; position: relative; font-size: calc(var(--inner-side) / 1.5); font-family: Roboto, sans-serif; background-image: url(https://picsum.photos/id/12/400?blur=1.2); } .character-box::before { content: ""; display: block; position: absolute; top: 0; width: 100%; height: 100%; background-image: url(https://picsum.photos/id/12/400?blur=1.2); z-index: -2; } .character-box::after { content: ""; position: absolute; width: var(--inner-side); height: var(--inner-side); left: 50%; top: 50%; transform: translate(-50%, -50%); display: block; background-color: #111; z-index: -2; }<div class="left-to-right"> <h2 class="character-box">A</h2> </div> <div class="rigth-to-left"> <h2 class="character-box">A</h2> </div> <div class="top-to-bottom"> <h2 class="character-box">A</h2> </div> <div class="bottom-to-top"> <h2 class="character-box">A</h2> </div> <div class="abrupt"> <h2 class="character-box">A</h2> </div> <div class="to-rottom-left"> <h2 class="character-box">A</h2> </div> <div class="round"> <h2 class="character-box">A</h2> </div>
Hakingu language
Software Programming • break in • • Demir

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The answer is a little different from the subject, but rather for the general purpose. In fact, the concept of "haking" is not as negative as many people are used to. It doesn't have to be hacked, spam or something. The essence of the hack is in the use of undocumented opportunities or unintended possibilities. I mean, it's basically the chaca philosophy, so to say, a flower vase of a 1.5-litre bottle is hak to the same extent as a sql injection. It's sad that the hack as a culture is almost dead - people from the mid-1990s didn't think burglars breaking something for the granny, when the money was the only target (the case of the guy who broke the bank and ordered the girl's rose truck was marked). Now, "hakers" party, um... I don't even know what to call them, in general, stunning reins that hang screen lockers, steal scouts from the tiles or stacks and sell them at 10p/spomer stacks. And there's a case where I killed a network blocker using ArtMoney =Anyway, that's why. This thing is useful in all respects, but requires a man to have a very large, at least a proper warehouse of mind (this can be drilled, but not completely zero), in the case of companions, extensive knowledge luggage (soft 3 different languages), networks, LOs, microschems, psychology(s), mattans, encryption) and a large number of free time (some breakthing months). If you want to protect your projects and not so much, read the computer security prints, xakep.ru and securitylab.ru, periodically check the bikers and update the software in a timely manner, it will protect you from 99.5% of the attacks. But not from the sporting interest of "breaking" hacker, because there's no defense fool) And if you really want to break the matrix, invent, break the walls, and make lasers from the dead DVDs, the hacker needs to be everywhere and always.I'm sorry for the volume, but first of all, the subject of "natural," secondly, there's an anger on the curlyins.
Trying to hack the server.
Software Programming • break in • • carriann

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I see they're trying to pick up roll passwords. Prohibit the entrance under the root through ssh if it has not yet been done (option PermitRootLogin no in sshd2_config). Come only under the usual user with the right to raise privileges through sudo or become a rut with su.You can change the port, it has to solve the problem because you're not being targeted, and now every car on the Internet with an open 22 port is always under such a rutphorus.You can also give up the passwords. Make access to the keys. Protest him. Hopefully keep the keys without forgetting to make a copy. The entrance to the PasswordAuthentication no, ChallengeResponseAuthentication no can then be shut off.
PHP doesn't work. I don't know what to do.
Software Programming • php • • inna

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From scratch, you just have to study everything yourself, nobody's gonna be here, I think explaining the course of lectures on the php and servers.And the Denver is basically a local server on your computer. Installation is unlikely to cause any difficulty. Start, especially. There are labels on the desk. Then put your file in the \webserver ? ? ? ? ? ? http://localhost/name.phpEverything has to work.
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What do you need an amperand in the performance?
Software Programming • c++ functions indicators parameters displays • • emran

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For understanding - Well, consider that when you're on the reference, you're just transmitting the index, but you don't need to change it all the time.Typevoid f(int * x) { *x = *x * 2; } ... int y = 4; f(&y); The same through the reference--void f(int& x) { x = x * 2; } ... int y = 4; f(y); It's coming, but it's good for understanding.When you transmit without reference, a copy is created by meaning. About:void f(int x) { x = x * 2; } It's like if it did!void f(int * y) { int x; x = *y; x = x * 2; } On the "bath" level, the value transferred doesn't change what's passed, the reference changes the variable itself.void f(int& x) { x = x * 2; } ... int y = 4; f(y); // Теперь y == 8 void f(int x) { x = x * 2; } ... int y = 4; f(y); // y == 4...

What do you need to know the hacker?

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