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How to convert NSNumber to NSString
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//An example of implementation :
// we set the score of one player to a value
[Game getCurrent].scorePlayer1 = [NSNumber numberWithInteger:1];
// We copy the value in a NSNumber
NSNumber *aNumber = [Game getCurrent].scorePlayer1;
// Conversion of the NSNumber aNumber to a String w...
How to drop columns by name in a data frame
...d this option to avoid the conversion to an atomic vector if there is only one column left
Second, quicker to write, you can directly assign NULL to the columns you want to remove:
data[c("iden", "name", "x_serv", "m_serv")] <- list(NULL) # You need list() to respect the target structure.
Fi...
“implements Runnable” vs “extends Thread” in Java
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One minor advantage of Runnable is that, if in certain circumstances you don't care about, or don't want to use threading, and you just want to execute the code, you have the option to simply call run(). e.g. (very handwavy)...
UITableViewCell with UITextView height in iOS 7?
...oat and return the height needed
Detailed Solution
Since I have recently done something similar, I thought I would also share some solutions to the connected Issues I encountered. I hope it will help somebody.
This is far more in depth and will cover the following:
Of course: setting the height of...
Why are Python lambdas useful? [closed]
I'm trying to figure out Python lambdas. Is lambda one of those "interesting" language items that in real life should be forgotten?
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How to convert an Stream into a byte[] in C#? [duplicate]
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A bunch of concerns are mixed together in one big method. Yes, it all has to be done, but not all in one function. There's the growable byte array and there's the stream reading. Much easier to get right if they're separated.
– Daniel Earwicker
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What's the best way to trim std::string?
...524503 for bringing up the modern solution.
Original answer:
I tend to use one of these 3 for my trimming needs:
#include <algorithm>
#include <functional>
#include <cctype>
#include <locale>
// trim from start
static inline std::string &ltrim(std::string &s) {
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'AND' vs '&&' as operator
...ND and OR, you'll eventually get tripped up by something like this:
$this_one = true;
$that = false;
$truthiness = $this_one and $that;
Want to guess what $truthiness equals?
If you said false... bzzzt, sorry, wrong!
$truthiness above has the value true. Why? = has a higher precedence than a...
Why do enum permissions often have 0, 1, 2, 4 values?
...d therefore this value does not convey permission to delete).
It allows one to store multiple flags in a single field of bits.
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iOS Safari – How to disable overscroll but allow scrollable divs to scroll normally?
...ve overflow. To block that, use the following event handler instead of the one immediately above (adapted from this question):
$('body').on('touchmove', selScrollable, function(e) {
// Only block default if internal div contents are large enough to scroll
// Warning: scrollHeight support is...