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Locking a file in Python
...terminate in such a way that the lock is left in place and you have to manually delete the lock before the file becomes accessible again. However, that aside, this is still a good solution.
– leetNightshade
Nov 8 '12 at 21:27
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Does static constexpr variable inside a function make sense?
...n with static const integers.)
The C++ object model (§1.9) requires that all objects other than bit-fields occupy at least one byte of memory and have addresses; furthermore all such objects observable in a program at a given moment must have distinct addresses (paragraph 6). This does not quite r...
How to keep Maven profiles which are activeByDefault active even if another profile gets activated?
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Because the profile is active automatically when the flag is not there. The profile firstProfile is disabled only if you specify -DskipFirstProfile (eg mvn verify -DskipFirstProfile).
– seanf
Jun 28 '17 at 4:08
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Having a UITextField in a UITableViewCell
...ntifier:kCellIdentifier];
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
reuseIdentifier:kCellIdentifier] autorelease];
cell.accessoryType = UITableViewCellAccessoryNone;
if ([indexPath section] == 0) {
...
How do I install a NuGet package .nupkg file locally?
I have some .nupkg files from a C# book. How can I install them?
8 Answers
8
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Why does Apple recommend to use dispatch_once for implementing the singleton pattern under ARC?
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dispatch_once() is absolutely synchronous. Not all GCD methods do things asynchronously (case in point, dispatch_sync() is synchronous). The use of dispatch_once() replaces the following idiom:
+ (MyClass *)sharedInstance {
static MyClass *sharedInstance;
@synchr...
Difference between numpy.array shape (R, 1) and (R,)
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1. The meaning of shapes in NumPy
You write, "I know literally it's list of numbers and list of lists where all list contains only a number" but that's a bit of an unhelpful way to think about it.
The best way to think about NumPy arrays is that they consist of two parts, a data bu...
Application Loader stuck at “Authenticating with the iTunes store” when uploading an iOS app
...perly communicate error messages. Stuck on authenticating is not useful at all.
– Domen Grabec
May 5 '17 at 17:22
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What blocks Ruby, Python to get Javascript V8 speed? [closed]
...ineers working on it, that have decades of experience (I'm talking individually – collectively it's more like centuries) in creating high-performance execution engines for dynamic OO languages. They are basically the same people who also created the Sun HotSpot JVM (among many others).
Lars Bak,...
What's the fastest way to loop through an array in JavaScript?
...o
Currently, the fastest form of loop (and in my opinion the most syntactically obvious).
A standard for-loop with length caching
var i = 0, len = myArray.length;
while (i < len) {
// your code
i++
}
I would say, this is definitely a case where I applaud JavaScript en...