大约有 40,000 项符合查询结果(耗时:0.0547秒) [XML]
parseInt(null, 24) === 23… wait, what?
...
@Ignacio. Actually, I was wrong. I didn't realize 37 was referring to a radix. Sorry about that.
– Mike Samuel
Jun 23 '11 at 20:15
...
Check if URL has certain string with PHP
...URL and the rest check if it contains the word "car".
$url = 'http://' . $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'];
if (strpos($url,'car') !== false) {
echo 'Car exists.';
} else {
echo 'No cars.';
}
shar...
Change multiple files
...ot even just a builtin. For sed -i 's/old/new' *, the expansion of * must ALL be passed as an arglist to sed, and I'm fairly sure this has to happen before the sed process can even be started. Using the for loop, the full arglist (the expansion of *) never gets passed as a command, only stored in ...
Getting vertical gridlines to appear in line plot in matplotlib
...
You may need to give boolean arg in your calls, e.g. use ax.yaxis.grid(True) instead of ax.yaxis.grid(). Additionally, since you are using both of them you can combine into ax.grid, which works on both, rather than doing it once for each dimension.
ax = plt.gca()
a...
One-line list comprehension: if-else variants
It's more about python list comprehension syntax. I've got a list comprehension that produces list of odd numbers of a given range:
...
'UserControl' constructor with parameters in C#
Call me crazy, but I'm the type of guy that likes constructors with parameters (if needed), as opposed to a constructor with no parameters followed by setting properties. My thought process: if the properties are required to actually construct the object, they should go in the constructor. I get two...
Choose Git merge strategy for specific files (“ours”, “mine”, “theirs”)
...
Is it possible to accept theires for all files that are left umerged?
– aslakjo
Dec 20 '13 at 9:57
43
...
How can we programmatically detect which iOS version is device running on? [duplicate]
...j/CJAMacros/blob/master/CJAMacros/CJAMacros.h
Like this:
#define SYSTEM_VERSION_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)
#define SYSTEM_VERSION_GREATER_THAN(v) ([[[UIDevice currentDevice] systemVersi...
Make xargs handle filenames that contain spaces
...
For OS X, you can "brew install findutils", which gives you the "gxargs" command that does have the -d switch.
– Tom De Leu
Mar 16 '18 at 9:37
...
Using a 'using alias = class' with generic types? [duplicate]
...
Disappointing answer but upvoting all the same (since the answer is correct and relevant). :-/
– BrainSlugs83
Aug 30 '14 at 3:26
13
...
