大约有 40,000 项符合查询结果（耗时：0.0516秒） [XML]
Postgresql not creating db with “createdb” as superuser, yet not outputting errors [duplicate]
...s the statement isn't finished and waits for more input. This is indicated by the prompt changing from postgres=# to postgres-#. An extremely subtle change that I wish psql would do differently (more "prominent").
By entering the meta-command \list the "current" SQL statement is "aborted" without ...
How do I include negative decimal numbers in this regular expression?
How do I match negative numbers as well by this regular expression? This regex works fine with positive values, but I want it to also allow negative values e.g. -10, -125.5 etc.
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Hiding textarea resize handle in Safari
...max-width opportunity also works in firefox 4.0 (b3pre). good example here by the way: http://www.alanedwardes.com/posts/safari-and-resizable-textboxes/
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Wrap long lines in Python [duplicate]
...se the line break is not in a pair of parenthesis (or brackets, ...). I.e. byte strings need the backslash, too!
– Robert Siemer
Apr 13 '16 at 16:22
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Convert Datetime column from UTC to local time in select statement
...incorrect. It's a really bad idea to assume you can convert to local time by doing arithmetic
– JonnyRaa
Sep 3 '14 at 16:33
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Is there a “default” MIME type?
...t-stream. Without any additional information, it says "here is a bunch of bytes, hopefully there is an application over on your end which knows what to do with them". Sometimes there is a file name which helps convey to the recipient what to do with the data.
"unknown" doesn't really add anything...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
...it can use all available processors. On Windows this approach is supported by Thread Pool API.
Of course having more threads is not per se a problem. As you might have recognized I chose quite a high number of connections/threads. I doubt that you'll see any difference between the three possible i...
How to debug a bash script? [closed]
...n it off again with:
set +x
(You can find out the current tracing state by analyzing $-, the current flags, for x.)
Also, shells generally provide options '-n' for 'no execution' and '-v' for 'verbose' mode; you can use these in combination to see whether the shell thinks it could execute your s...
Get PostGIS version
...sts. but this one worked. The problem with the above not working was fixed by doing the CREATE EXTENSION Postgis from the console rather than from the db-migrate.js
– Eric Darchis
Sep 16 '16 at 9:55
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Play sound on button click android
...e code provided in the original post.
Button one = (Button) this.findViewById(R.id.button1);
final MediaPlayer mp = MediaPlayer.create(this, R.raw.soho);
one.setOnClickListener(new OnClickListener(){
public void onClick(View v) {
mp.start();
}
});
To explain it step by step:
Bu...