大约有 220 项符合查询结果（耗时：0.0167秒） [XML]
Get MIME type from filename extension
...tion/octet-stream"},
{".aax", "audio/vnd.audible.aax"},
{".ac3", "audio/ac3"},
{".aca", "application/octet-stream"},
{".accda", "application/msaccess.addin"},
{".accdb", "application/msaccess"},
{".accdc", "application/msaccess.cab"},
{".accde"...
Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
...:
return (0, 1, 2, 3, 4, 5, 6, 9, 12, 16, 20, 27, 36, 48, 64, 81)[n]
e3 = (4 - n) % 5
e4 = n // 5 - e3
return 4 * (4 ** e4) * (3 ** e3)
Calculating e3:
There are always between 0 and 4 SCPP patterns at the end of the keystroke list, for n % 5 == 4 there are 4, n % 5 == 1 there are 3, n %...
How can I extract audio from video with ffmpeg?
...ut I want an MP3 from its extension. In my case the source audio stream is ac3 DTS and just copying wasn't what I wanted
320k is a desired target bitrate
-vn means I don't want video in target file
share
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How to display request headers with command line curl
...I.
Example usage:
$ curl -I http://heatmiser.counterhack.com/zone-5-15614E3A-CEA7-4A28-A85A-D688CC418287
HTTP/1.1 301 Moved Permanently
Date: Sat, 29 Dec 2012 15:22:05 GMT
Server: Apache
Location: http://heatmiser.counterhack.com/zone-5-15614E3A-CEA7-4A28-A85A-D688CC418287/
Content-Type: text/ht...
RSA Public Key format
...7B974621162169C71538A539372E27F3F51DF3B08B2E111C2D6BBF9F5887F13A8DB4F1EB6DFE386C92256875212DDD00468785C18A9C96A292B067DDC71DA0D564000B8BFD80FB14C1B56744A3B5C652E8CA0EF0B6FDA64ABA47E3A4E89423C0212C07E39A5703FD467540F874987B209513429A90B09B049703D54D9A1CFE3E207E0E69785969CA5BF547A36BA34D7C6AEFE79F314E...
Query for documents where array size is greater than 1
...lse}}, {name: {$size: 0}}, {name: {$size: 1}}]})
{ "_id" : ObjectId("511907e3fb13145a3d2e225b"), "name" : [ "George", "Raymond" ] }
{ "_id" : ObjectId("511907e3fb13145a3d2e225c"), "name" : [ "George", "Raymond", "Richard" ] }
{ "_id" : ObjectId("511907e3fb13145a3d2e225d"), "name" : [ "George", "Raym...
How to convert an array into an object using stdClass() [duplicate]
...'prenume' => 'Ionel', 'sex' => 'm', 'varsta' => 27),
'e3' => array('nume' => 'Noman', 'prenume' => 'Alice', 'sex' => 'f', 'varsta' => 22),
'e4' => array('nume' => 'Geangos', 'prenume' => 'Bogdan', 'sex' => 'm', 'varsta' => 23),
...
Undoing a 'git push'
...f the approaches suggested here:
prompt> git revert 35f6af6f77f116ef922e3d75bc80a4a466f92650
[master 71738a9] Revert "Issue #482 - Fixed bug."
4 files changed, 30 insertions(+), 42 deletions(-)
prompt> git status
# On branch master
# Your branch is ahead of 'origin/master' by 1 commit.
#
not...
How to generate a number of most distinctive colors in R?
...code snippet. For example, How to find the color names for #B3E2CD, #E78AC3, #B3DE69 available from sample(col_vector,3). Alternatively, How to find all the hex codes given by brewer.pal function with their color names.
– Prradep
Jul 13 '17 at 15:34
...
How do I find out which keystore was used to sign an app?
... MD5: B3:4F:BE:07:AA:78:24:DC:CA:92:36:FF:AE:8C:17:DB
SHA1: 16:59:E7:E3:0C:AA:7A:0D:F2:0D:05:20:12:A8:85:0B:32:C5:4F:68
Signature algorithm name: SHA1withRSA
Then use the keytool again to print out all the aliases of your signing keystore:
keytool -list -keystore my-signing-key.keystor...