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Join vs. sub-query
...QL user and have always preferred JOIN over sub-query. But nowadays everyone uses sub-query, and I hate it; I don't know why.
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Explanation of BASE terminology
...nd is always Basically Available (to new relationships), in a Soft state (none of his relationship last very long) and Eventually consistent (one day he will get married).
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How to check if activity is in foreground or in visible background?
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There is one little moment between finish and start activity and i thin need to add some delay and counter
– sagus_helgy
Jul 4 '14 at 6:55
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How to convert a byte array to a hex string in Java?
...so useful they really should be on your class path by default, and this is one of them.
– corsiKa
Aug 21 '13 at 15:36
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Where can I locate themes for VS2012
...gin (just a VS extension), comes with a number of pre-packaged themes with one closely matching 2010. But one of the best features I like is the simple switching from the toolbar - which allows me to have multiple VS2012s open and quickly change the color of each window (with 3 monitors and 5 VS201...
How can I replace every occurrence of a String in a file with PowerShell?
...nt file.txt) is required:
Without the parenthesis the content is read, one line at a time, and flows down the pipeline until it reaches out-file or set-content, which tries to write to the same file, but it's already open by get-content and you get an error. The parenthesis causes the operation ...
android EditText - finished typing event
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When the user has finished editing, s/he will press Done or Enter
((EditText)findViewById(R.id.youredittext)).setOnEditorActionListener(
new EditText.OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event...
Is there a way to get the git root directory in one command?
Mercurial has a way of printing the root directory (that contains .hg) via
22 Answers
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Possible reasons for timeout when trying to access EC2 instance
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Did you set an appropriate security group for the instance? I.e. one that allows access from your network to port 22 on the instance. (By default all traffic is disallowed.)
Update: Ok, not a security group issue. But does the problem persist if you launch up another instance from the sam...
Why do you need to put #!/bin/bash at the beginning of a script file?
...ly a convention, not a "rule". An executable can be a binary program, any one of a million script types and other things as well. Hence the need for #!/bin/bash.
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