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C++0x has no semaphores? How to synchronize threads?
..., you normally would just use the name semaphore similar to normally using string not basic_string):
template <typename Mutex, typename CondVar>
class basic_semaphore {
public:
using native_handle_type = typename CondVar::native_handle_type;
explicit basic_semaphore(size_t count = 0)...
Fast way to get image dimensions (not filesize)
... check these functions/method using PHP:
public function ByteStreamImageString($ByteStream,&$Formato,&$Alto,&$Ancho) {
$Alto = 0;
$Ancho = 0;
$Formato = -1;
$this->HexImageString = "Error";
if (ord($ByteStream[0])==137 && ord($ByteStream[1])==80 &&am...
How to make a JSONP request from Javascript without JQuery?
...ems":["bed","chest of drawers"]}');" It might be designed to return such a string if something like //api.home.com?getdata=room&room=main_bedroom is called.
Then the client sets up a script tag as such:
var script = document.createElement('script');
script.src = '//api.home.com?getdata=room&...
Why is “if not someobj:” better than “if someobj == None:” in Python?
...test for equality when you want to compare objects of the same nature (two strings, two numbers, ...) and to check for identity only when using sentinel values (None meaning not initialized for a member field for exemple, or when using the getattr or the __getitem__ methods).
To summarize, we have ...
Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
...orUndefinedKey:]: this class is not key value coding-compliant for the key string.'
It is caused by the Second view controller in MainWindow.xib having a class of UIViewController instead of SecondView. Changing to the correct class resolves the problem.
By the way, it is bad practice to have na...
Get name of current script in Python
...using the -c command line option to the interpreter, argv[0] is set to the string '-c'. If no script name was passed to the Python interpreter, argv[0] is the empty string.
As mentioned in another answer to this question, Python scripts that were converted into stand-alone executable programs via t...
Bundling data files with PyInstaller (--onefile)
... Thanks @dilde! Not that the a.datas array from step 5 takes tuples of strings, see pythonhosted.org/PyInstaller/spec-files.html#adding-data-files for reference.
– Ian Campbell
Sep 5 '17 at 17:55
...
DateTime.Now vs. DateTime.UtcNow
... are in a timezone hours away from GMT. As noted below, printing out their String values would display different strings.
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C# - Selectively suppress custom Obsolete warnings
...
using System;
class Test
{
[Obsolete("Message")]
static void Foo(string x)
{
}
static void Main(string[] args)
{
#pragma warning disable 0618
// This one is okay
Foo("Good");
#pragma warning restore 0618
// This call is bad
Foo("Bad");
...
How do I get the type name of a generic type argument?
...g, functioning program:
using System;
class Program
{
public static string MyMethod<T>()
{
return typeof(T).FullName;
}
static void Main(string[] args)
{
Console.WriteLine(MyMethod<int>());
Console.ReadKey();
}
}
Running the above p...