大约有 13,330 项符合查询结果(耗时:0.0302秒) [XML]
Which is faster : if (bool) or if(int)?
...
Does this also apply to 64-bit processes, that __int64 is faster than int? Or CPU deals 32-bit integer with 32-bit instruction sets separately?
– Crend King
Apr 27 '11 at 21:22
...
How do you use version control with Access development?
...Source\"
End If
sStubADPFilename = sExportpath & myName & "_stub." & myType
WScript.Echo "copy stub to " & sStubADPFilename & "..."
On Error Resume Next
fso.CreateFolder(sExportpath)
On Error Goto 0
fso.CopyFile sADPFilename, sStubADPFilename
...
Extending an Object in Javascript
...new instantiation (read why you shouldn't use new), no super, no self-made __construct. You simply create Objects and then extend or morph them.
This pattern also offers immutability (partial or full), and getters/setters.
TypeScript
The TypeScript equivalent looks the same:
interface Person {
...
Best way to select random rows PostgreSQL
...ery:
SELECT count(*) AS ct -- optional
, min(id) AS min_id
, max(id) AS max_id
, max(id) - min(id) AS id_span
FROM big;
The only possibly expensive part is the count(*) (for huge tables). Given above specifications, you don't need it. An estimate will do just fine,...
Matplotlib: “Unknown projection '3d'” error
...e you using? (Try running: python -c 'import matplotlib; print matplotlib."__version__")
I'm guessing you're running version 0.99, in which case you'll need to either use a slightly different syntax or update to a more recent version of matplotlib.
If you're running version 0.99, try doing this in...
How can I print the contents of a hash in Perl?
...
Easy:
print "$_ $h{$_}\n" for (keys %h);
Elegant, but actually 30% slower (!):
while (my ($k,$v)=each %h){print "$k $v\n"}
share
|
im...
Get Android .apk file VersionName or VersionCode WITHOUT installing apk
...apt.exe is found in a build-tools sub-folder of SDK. For example:
<sdk_path>/build-tools/23.0.2/aapt.exe
share
|
improve this answer
|
follow
|
...
How to find the width of a div using vanilla JavaScript?
... edited Nov 4 '15 at 11:07
sudo_dudo
50744 silver badges1616 bronze badges
answered Sep 12 '14 at 18:10
user3...
Accurate way to measure execution times of php scripts
...otime — Return current Unix timestamp with microseconds
If get_as_float is set to TRUE, then microtime() returns a float, which represents the current time in seconds since the Unix epoch accurate to the nearest microsecond.
Example usage:
$start = microtime(true);
while (...) {
}
$...
How should I structure a Python package that contains Cython code
...od relies on the fact that building a .pyx file with Cython.Distutils.build_ext (at least with Cython version 0.14) always seems to create a .c file in the same directory as the source .pyx file.
Here is a cut-down version of setup.py which I hope shows the essentials:
from distutils.core import s...