大约有 37,000 项符合查询结果（耗时：0.0233秒） [XML]
Is there a Unix utility to prepend timestamps to stdin?
... strftime() appears to be a GNU awk extension, so if you're on Mac OS, for example, use gawk instead of awk.
– Joe Shaw
Mar 8 '12 at 14:24
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PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
...
A PostgreSQL "schema" is roughly the same as a MySQL "database". Having many databases on a PostgreSQL installation can get problematic; having many schemas will work with no trouble. So you definitely want to go with one databa...
How do I print a list of “Build Settings” in Xcode project?
...mple
PATH "/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
LANG en_US.US-ASCII
IPHONEOS_DEPLOYMENT_TARGET 4.1
ACTION ...
What is that “total” in the very first line after ls -l? [closed]
... is freely modifiable with the
--block-size=<int> flag on ls, the POSIXLY_CORRECT=1 GNU
environment variable (to get 512-byte units), or the -k flag to force
1kB units.
physical_block_size is the OS dependent value of an internal block interface, which may or may not be connected to t...
.NET: Simplest way to send POST with data and read response
...rk.com/service", new NameValueCollection()
{
{ "home", "Cosby" },
{ "favorite+flavor", "flies" }
});
string result = System.Text.Encoding.UTF8.GetString(response);
}
You will need these includes:
using System;
using System.Collections.Specialized;
us...
How to delete a specific line in a file?
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why do we have to open and close it twice?
– Ooker
Jun 25 '14 at 13:48
3
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Copying text outside of Vim with set mouse=a enabled
...ou do that (you may also want to :set paste to avoid unexpected effects).
OS X (mac):
hold alt/option while selecting (source)
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How to set a timer in android
...thread.
You may consider using the very convenient Handler class (android.os.Handler) and send messages to the handler via sendMessageAtTime(android.os.Message, long) or sendMessageDelayed(android.os.Message, long). Once you receive a message, you can run desired tasks. Second option would be to cr...
How to handle back button in activity
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"finish()" closes your current activity only. You need to handle going back to your previous activity by using intent. Btw, your previous activity should still be open if you did not "finish()" it when navigating from it previously.
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Ideal way to cancel an executing AsyncTask
...s thats right, but this way background thread doesn't get interrupted, suppose the case when uploading image, the uploading process continues in background and we didn't get onPostExecute called.
– umesh
Jan 21 '14 at 13:04
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