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Leading zeros for Int in Swift
...wn below in order to solve your problem.
#1. Using String's init(format:_:) initializer
Foundation provides Swift String a init(format:_:) initializer. init(format:_:) has the following declaration:
init(format: String, _ arguments: CVarArg...)
Returns a String object initialized by using ...
Why is TypedReference behind the scenes? It's so fast and safe… almost magical!
...
Short answer: portability.
While __arglist, __makeref, and __refvalue are language extensions and are undocumented in the C# Language Specification, the constructs used to implement them under the hood (vararg calling convention, TypedReference type, arglist...
Immutable vs Mutable types
... pass by value in C. A counterexample to your analogy is if you do def f(my_list): my_list = [1, 2, 3]. With pass-by-reference in C, the value of the argument could change by calling that function. In Python, that function doesn't do anything. def f(my_list): my_list[:] = [1, 2, 3] would do somethin...
Is explicitly closing files important?
...of course for this magic to work the object must have the especial methods __enter__ and __exit__, in the latter the object do the close and any other cleanup stuff that need to be done at the end of the with statement...
– Copperfield
Mar 26 '16 at 13:02
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How to repeat a “block” in a django template
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Good solution. However, it is "use_macro". "usemacro" is wrong.
– Ramtin
Nov 28 '17 at 11:25
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Vim delete blank lines
...swered Apr 1 '09 at 15:35
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Resolve Type from Class Name in a Different Assembly
...pe>
{
private static Dictionary<string, Type> _types;
private static object _lock = new object();
public static Type FromString(string typeName)
{
if (_types == null) CacheTypes();
if (_types.ContainsK...
Facebook share link without JavaScript
...se
<a href="https://www.facebook.com/sharer/sharer.php?u=#url" target="_blank">Share</a>
Currently there is no sharing option without passing current url as a parameter. You can use an indirect way to achieve this.
Create a server side page for example: "/sharer.aspx"
Link this page...
How to use the C socket API in C++ on z/OS
...nnect() API. When I do that, this is what I see:
FORMAT
X/Open
#define _XOPEN_SOURCE_EXTENDED 1
#include <sys/socket.h>
int connect(int socket, const struct sockaddr *address, socklen_t address_len);
Berkeley Sockets
#define _OE_SOCKETS
#include <sys/types.h>
#include <sys/soc...
iOS 7 parallax effect in my view controller
...omIOS7MotionEffectExtent = 10.0;
- (void)applyMotionEffects:(UIView *YOUR_VIEW) {
if (NSClassFromString(@"UIInterpolatingMotionEffect")) {
UIInterpolatingMotionEffect *horizontalEffect = [[UIInterpolatingMotionEffect alloc] initWithKeyPath:@"center.x"
...