大约有 43,000 项符合查询结果（耗时：0.0433秒） [XML]
is_file or file_exists in PHP
...
hbwhbw
14.6k55 gold badges4646 silver badges5656 bronze badges
...
Configuring so that pip install can work from github
...
answered Nov 24 '11 at 11:40
Hugo TavaresHugo Tavares
21k55 gold badges4242 silver badges4242 bronze badges
...
In Python, how does one catch warnings as if they were exceptions?
...
To quote from the python handbook (27.6.4. Testing Warnings):
import warnings
def fxn():
warnings.warn("deprecated", DeprecationWarning)
with warnings.catch_warnings(record=True) as w:
# Cause all warnings to always be triggered.
warnings.simplefilte...
How to set specific java version to Maven
...
148
Maven uses the JAVA_HOME parameter to find which Java version it is supposed to run. I see from...
Disable a Button
...
|
edited Jan 24 '17 at 16:05
answered Aug 27 '14 at 10:26
...
How to easily resize/optimize an image size with iOS?
...
246
A couple of suggestions are provided as answers to this question. I had suggested the techniqu...
Installing PG gem on OS X - failure to build native extension
...
447
Same error for me and I didn't experience it until I downloaded OS X 10.9 (Mavericks). Sigh, a...
“:” (colon) in C struct - what does it mean? [duplicate]
...creen.
struct
{
unsigned short icon : 8;
unsigned short color : 4;
unsigned short underline : 1;
unsigned short blink : 1;
} screen[25][80];
Edit: another important bit from the MSDN link:
Bit fields have the same semantics as the integer type. This means a
bit field is us...
Performance of foreach, array_map with lambda and array_map with static function
... 1M numbers across a dozen attempts:
Foreach: 0.7 sec
Map on closure: 3.4 sec
Map on function name: 1.2 sec.
Supposing the lackluster speed of the map on closure was caused by the closure possibly being evaluated each time, I also tested like this:
function useMapClosure($numbers) {
$closu...
Update Eclipse with Android development tools v. 23
...
43 Answers
43
Active
...