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How can you find the height of text on an HTML canvas?
... on from ellisbben's answer, here is an enhanced version to get the ascent and descent from the baseline, i.e. same as tmAscent and tmDescent returned by Win32's GetTextMetric API. This is needed if you want to do a word-wrapped run of text with spans in different fonts/sizes.
The above image was...
Fastest way to determine if record exists
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@Declan_K: seems like my magic sphere failed in this case and a column entitled as id isn't PK. So +1 to your advice.
– zerkms
Aug 7 '13 at 22:00
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MySQL Fire Trigger for both Insert and Update
Is it possible to fire a mysql trigger for both the insert and update events of a table?
3 Answers
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Algorithm to generate all possible permutations of a list?
... left to right, all the permutations of the remaining items are generated (and each one is added with the current elements). This can be done recursively (or iteratively if you like pain) until the last item is reached at which point there is only one possible order.
So with the list [1,2,3,4] all ...
How do I POST urlencoded form data with $http without jQuery?
I am new to AngularJS, and for a start, I thought to develop a new application using only AngularJS.
11 Answers
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adb command not found
I need to run an adb forward command before I could use the ezkeyboard application which allows user to type on the phone using browser.
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How can I change the version of npm using nvm?
...S for my node work. It works totally fine for installing separate versions and switching between them. It also installs the latest version of NPM within each local .../bin folder along with the node binary. However, there doesn't seem to be any way to switch the version of NPM that I'm using (or at ...
Using property() on classmethods
...lass with two class methods (using the classmethod() function) for getting and setting what is essentially a static variable. I tried to use the property() function with these, but it results in an error. I was able to reproduce the error with the following in the interpreter:
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What's the best practice to “git clone” into an existing folder?
...ta data. Now, I'd like to do the equivalent of git-clone into this folder, and keep my local changes.
15 Answers
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Are NSLayoutConstraints animatable? [duplicate]
...o animate up some views so that they are blocked by the giant keyboard in landscape. It works well if I simply animate the frames, but others have suggested that this is counter-productive and I should be updating the NSLayoutConstraints instead. However, they don't seem to be animatable. Has any...