大约有 47,000 项符合查询结果(耗时:0.0408秒) [XML]
How do I get the current date in JavaScript?
...
var today = new Date();
var dd = String(today.getDate()).padStart(2, '0');
var mm = String(today.getMonth() + 1).padStart(2, '0'); //January is 0!
var yyyy = today.getFullYear();
today = mm + '/' + dd + '/' + yyyy;
document.write(today);
This will give you today's date in the forma...
Performance difference for control structures 'for' and 'foreach' in C#
...
130
Well, it partly depends on the exact type of list. It will also depend on the exact CLR you're u...
Get path of executable
...
|
edited Nov 20 '17 at 6:57
James Mart
42033 silver badges1313 bronze badges
answered Oct 6 ...
Get ffmpeg information in friendly way
... would yield something like the following:
{
"streams": [{
"index": 0,
"codec_name": "wmv3",
"codec_long_name": "Windows Media Video 9",
"codec_type": "video",
"codec_time_base": "1/1000",
"codec_tag_string": "WMV3",
"codec_tag": "0x33564d57",
"width": 320,
"he...
Making heatmap from pandas DataFrame
...5, 4)), index=index, columns=columns)
plt.pcolor(df)
plt.yticks(np.arange(0.5, len(df.index), 1), df.index)
plt.xticks(np.arange(0.5, len(df.columns), 1), df.columns)
plt.show()
This gives:
share
|
...
MySQL connection not working: 2002 No such file or directory
...
answered Nov 4 '09 at 21:28
Alec GorgeAlec Gorge
15.3k99 gold badges5454 silver badges6969 bronze badges
...
Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...:2} is stored in a file and you want to update the value of "a" from 1 to 2000.
With MessagePack, 1 uses only 1 byte but 2000 uses 3 bytes. So "b" must be moved backward by 2 bytes, while "b" is not modified.
With BSON, both 1 and 2000 use 5 bytes. Because of this verbosity, you don't have to move...
How do I get the directory that a program is running from?
...ytes = MIN(readlink("/proc/self/exe", pBuf, len), len - 1);
if(bytes >= 0)
pBuf[bytes] = '\0';
return bytes;
share
|
improve this answer
|
follow
|
...
How do I create a random alpha-numeric string in C++?
...
+100
Mehrdad Afshari's answer would do the trick, but I found it a bit too verbose for this simple task. Look-up tables can sometimes do w...
How to reshape data from long to wide format
...
answered May 4 '11 at 23:20
ChaseChase
59.5k1515 gold badges131131 silver badges157157 bronze badges
...
