大约有 2,317 项符合查询结果（耗时：0.0307秒） [XML]
Postgres: clear entire database before re-creating / re-populating from bash script
... actually need a backup of the database dumped onto disk in a plain-text .sql script file format, you could connect pg_dump and pg_restore directly together over a pipe.
To drop and recreate tables, you could use the --clean command-line option for pg_dump to emit SQL commands to clean (drop) datab...
C# DateTime.Now precision
... "what time is it?" and "how long did that take?" are completely different questions; don't use a tool designed to answer one question to answer the other.
Thanks for the question; this will make a good blog article! :-)
sh...
“Conversion to Dalvik format failed with error 1” on external JAR
...
I am quite confusing with this solution. If you remove all jar files and libraries, how are you going to compile the project successfully?
– Cheok Yan Cheng
Feb 2 '12 at 2:57
...
Is there a way to break a list into columns?
... column-gap: 20px;
}
See: http://jsfiddle.net/pdExf/
If IE support is required, you'll have to use JavaScript, for example:
http://welcome.totheinter.net/columnizer-jquery-plugin/
Another solution is to fallback to normal float: left for only IE. The order will be wrong, but at least it will lo...
Can't start hostednetwork
...ple, juanfezero's solution is what fixed their problems. Being on a public Q+A site, and since this question seems to be relatively popular, I believe that the most helpful solution for the community should be displayed first. However, you still have my upvote.
– KevinOrr
...
How to reference a file for variables using Bash?
...), would be like someArray[3]="abc", and so on...
– Aquarius Power
Sep 26 '16 at 21:24
1
@Ramiro ...
What is the difference between syntax and semantics in programming languages?
...ntax is about the structure or the grammar of the language. It answers the question: how do I construct a valid sentence? All languages, even English and other human (aka "natural") languages have grammars, that is, rules that define whether or not the sentence is properly constructed.
Here are som...
Catch Ctrl-C in C
... printf("OUCH, did you hit Ctrl-C?\n"
"Do you really want to quit? [y/n] ");
c = getchar();
if (c == 'y' || c == 'Y')
exit(0);
else
signal(SIGINT, INThandler);
getchar(); // Get new line character
}
...
URLWithString: returns nil
...* stringURL = [NSString stringWithFormat:@"http://maps.google.com/maps/geo?q=%@,Montréal,Communauté-Urbaine-de-Montréal,Québec,Canadae&output=csv&oe=utf8&sensor=false", webName];
NSString* webStringURL = [stringURL stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSUR...
Is there a bash command which counts files?
...
This simple one-liner should work in any shell, not just bash:
ls -1q log* | wc -l
ls -1q will give you one line per file, even if they contain whitespace or special characters such as newlines.
The output is piped to wc -l, which counts the number of lines.
...