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MySQL pagination without double-querying?
I was wondering if there was a way to get the number of results from a MySQL query, and at the same time limit the results.
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Generate random string/characters in JavaScript
I want a 5 character string composed of characters picked randomly from the set [a-zA-Z0-9] .
77 Answers
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How to clear the canvas for redrawing
...nting with composite operations and drawing images on the canvas I'm now trying to remove images and compositing. How do I do this?
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iPhone Keyboard Covers UITextField
...at has a text field near the bottom of the view. When I run the app and try to enter text into that field, the keyboard slides up overtop of the field so I can't see what I'm typing until I hide the keyboard again.
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Why is my program slow when looping over exactly 8192 elements?
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The difference is caused by the same super-alignment issue from the following related questions:
Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
Matrix multiplication: Small difference in matrix size, large d...
Run an exe from C# code
I have an exe file reference in my C# project. How do I invoke that exe from my code?
5 Answers
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UIScrollView Scrollable Content Size Ambiguity
Fellow devs,
I am having trouble with AutoLayout in Interface Builder (Xcode 5 / iOS 7).
It's very basic and important so I think everyone should know how this properly works. If this is a bug in Xcode, it is a critical one!
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Re-doing a reverted merge in Git
... into develop , but git-merge command sees the original merge, and happily announces that all is well and branches have been already merged. What do I do now? Create a 'Revert "Revert "28s -> develop"" ' commit? Doesn't seem to be a good way to do it, but I can't imagine any other at the moment.
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Android Studio quick documentation always “fetching documentation”
I just move to Android studio from eclipse,I found that it always shows "fetching documentation" when I use quick documentation(Ctrl+Q),How to solve this?(I download documentation for API19,still problem)
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Pandas - Get first row value of a given column
This seems like a ridiculously easy question... but I'm not seeing the easy answer I was expecting.
7 Answers
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