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How to get min/max of two integers in Postgres/SQL?
... GREATEST and LEAST.
UPDATE my_table
SET my_column = GREATEST(my_column - 10, 0);
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How to cancel/abort jQuery AJAX request?
...ains a readyState which contains the state of the request(UNSENT-0, OPENED-1, HEADERS_RECEIVED-2, LOADING-3 and DONE-4). we can use this to check whether the previous request was completed.
$(document).ready(
var xhr;
var fn = function(){
if(xhr && xhr.readyState != 4){
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is there an easy way to get the http status code in the failure block from AFHTTPClient?
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Ok, found the answer with the operation object
failure:^(AFHTTPRequestOperation *operation, N...
How do I check out a specific version of a submodule using 'git submodule'?
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Submodule repositories stay in a detached HEAD state pointing to a specific commit. Changing t...
How to initialize/instantiate a custom UIView class with a XIB file in Swift
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shim
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answered Aug 26 '14 at 19:19
EzimetEzimet
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Ruby equivalent of virtualenv?
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edited Nov 9 '12 at 11:27
Ryan
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answered Sep 27 '10...
How do you remove an invalid remote branch reference from Git?
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Checkout old commit and make it a new commit [duplicate]
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221
git rm -r .
git checkout HEAD~3 .
git commit
After the commit, files in the new HEAD will be t...
How do I show the value of a #define at compile-time?
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14 Answers
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