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Group query results by month and year in postgresql
...ns). This tells the query that the SUM() should be applied for each unique combination of columns, which in this case are the month and year columns. The "1,2" part is a shorthand instead of using the column aliases, though it is probably best to use the full "to_char(...)" and "extract(...)" expres...
Export a stash to another computer
I need a way to export a stashed change to another computer.
9 Answers
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Calling Java varargs method with single null argument?
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How to get distinct values from an array of objects in JavaScript?
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No, because array_unique would compare the entire item, not just the age as is asked here.
– Niet the Dark Absol
Feb 28 '13 at 2:18
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I want to delete all bin and obj folders to force all projects to rebuild everything
...s. If your shell supports them, -print0 and -0 will work around this short-coming, so the above examples become:
find . -iname "bin" -print0 | xargs -0 rm -rf
find . -iname "obj" -print0 | xargs -0 rm -rf
and:
find . -iname "bin" -o -iname "obj" -print0 | xargs -0 rm -rf
If you are using Power...
Presenting a UIAlertController properly on an iPad using iOS 8
... = button.bounds;
[self presentViewController:alertController animated:YES completion:nil];
Editing for Swift 4.2, though there are many blogs available for the same but it may save your time to go and search for them.
if let popoverController = yourAlert.popoverPresentationController {
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How to use git merge --squash?
...to merge it into master:
git checkout master
git merge --squash bugfix
git commit
This will take all the commits from the bugfix branch, squash them into 1 commit, and merge it with your master branch.
Explanation:
git checkout master
Switches to your master branch.
git merge --squash bugfix
Tak...
How to get UITableView from UITableViewCell?
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edited Apr 6 at 10:50
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answered Sep 13 '13 at 6:59
Muhammad IdrisMuhamm...
Converting array to list in Java
...Integer> list = Arrays.asList(spam);
See this code run live at IdeOne.com.
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What is a good Java library to zip/unzip files? [closed]
I looked at the default Zip library that comes with the JDK and the Apache compression libs and I am unhappy with them for 3 reasons:
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