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How to write a large buffer into a binary file in C++, fast?
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std::vector<uint64_t> data = GenerateData(bytes);
std::ios_base::sync_with_stdio(false);
auto startTime = std::chrono::high_resolution_clock::now();
auto myfile = std::fstream("file.binary", std::ios::out | std::ios::binary);
myfile.write((char*)&data[0], bytes);
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What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?
...er('MyAutoloader::HelperLoader');
spl_autoload_register('MyAutoloader::DatabaseLoader');
class MyAutoloader
{
public static function ClassLoader($className)
{
//your loading logic here
}
public static function LibraryLoader($className)
{
//your loading logic ...
Why does the JVM still not support tail-call optimization?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How do I create a WPF Rounded Corner container?
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VB.Net code based implementation of kobusb's Border control solution. I used it to populate a ListBox of Button controls. The Button controls are created from MEF extensions. Each extension uses MEF's ExportMetaData attribute for a Descr...
What's wrong with nullable columns in composite primary keys?
... word of caution: Having nullable foreign keys is not clean relational database design.
If there are two entities A and B where A can optionally be related to B, the clean solution is to create a resolution table (let's say AB). That table would link A with B: If there is a relationship then it wou...
How to make Twitter Bootstrap menu dropdown on hover rather than click
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I created a pure on hover dropdown menu based on the latest (v2.0.2) Bootstrap framework that has support for multiple submenus and thought I'd post it for future users:
body {
padding-top: 60px;
padding-bottom: 40px;
}
.sidebar-nav {
padding: 9px...
Understanding events and event handlers in C#
... information, you can use a class derived from EventArgs (EventArgs is the base by convention). For example, if you look at some of the events defined on Control in WinForms, or FrameworkElement in WPF, you can see examples of events that pass additional information to the event handlers.
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How to securely store access token and secret in Android?
...hat I understood, I need to store them with my application either in a database or SharedPreferences . But I am a bit worried about security aspects with that. I read that you can encrypt and decrypt the tokens but it is easy for an attacker to just decompile your apk and classes and get the encryp...
Is there a way to cache GitHub credentials for pushing commits?
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FWIW, the osx keychain stuff is part of base GIT source code, it's not an exclusive component of Brew or MacPorts or whatever the flavor of the month is. And you don't even need to build git from scratch - just cd contrib/credential/osxkeychain/ and run make.
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What is Unicode, UTF-8, UTF-16?
...ters, you may run into a few problems. Also, even if the character type is based on a UTF, that doesn't mean the strings are proper UTF. They may allow byte sequences that are illegal. Generally, you'll have to use a library that supports UTF, such as ICU for C, C++ and Java. In any case, if you wan...