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Force line-buffering of stdout when piping to tee
...p tee output.txt
(-p is for pipeline mode where unbuffer reads from stdin and passes it to the command in the rest of the arguments)
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Reliable timer in a console application
... a threaded timer as the other types can drift if the main thread is busy, and I need this to be reliable.
2 Answers
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Get mouse wheel events in jQuery?
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There's a plugin that detects up/down mouse wheel and velocity over a region.
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SQL - find records from one table which don't exist in another
...s, with varying efficiency, depending on how good your query optimiser is, and the relative size of your two tables:
This is the shortest statement, and may be quickest if your phone book is very short:
SELECT *
FROM Call
WHERE phone_number NOT IN (SELECT phone_number FROM Phone_book)
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Export to CSV via PHP
.... is there a way I can export what I have from the database to a CSV file (and text file [if possible]) via PHP?
7 Answers
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Learning Ant path style
...ework/servlet/bla.jsp but also org/springframework/testing/servlet/bla.jsp and org/servlet/bla.jsp
com/{filename:\\w+}.jsp will match com/test.jsp and assign the value test to the filename variable
http://docs.spring.io/spring/docs/current/javadoc-api/org/springframework/util/AntPathMatcher.html
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How to loop through a directory recursively to delete files with certain extensions
I need to loop through a directory recursively and remove all files with extension .pdf and .doc . I'm managing to loop through a directory recursively but not managing to filter the files with the above mentioned file extensions.
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Is Safari on iOS 6 caching $.ajax results?
...n so it is using the Safari WebView. Our $.ajax calls are POST methods and we have cache set to false {cache:false} , but still this is happening. We tried manually adding a TimeStamp to the headers but it did not help.
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Get keys from HashMap in Java
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team1.put("foo", 1);
team1.put("bar", 2);
will store 1 with key "foo" and 2 with key "bar". To iterate over all the keys:
for ( String key : team1.keySet() ) {
System.out.println( key );
}
will print "foo" and "bar".
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Remove directory which is not empty
... Strange, I've never seen behavior like that. I'd suggest searching for and/or filing a bug. github.com/isaacs/rimraf/issues
– Morgan ARR Allen
May 2 '18 at 5:13
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