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Difference between VARCHAR and TEXT in MySQL [duplicate]
...ut string is only M, e.g. a phone number or a name or something like this. Then you can use VARCHAR(30) instead of TINYTEXT or TEXT and if someone tries to save the text of all three "Lord of the Ring" books in your phone number column you only store the first 30 characters :)
Edit: If the text you...
How can I get a view's current width and height when using autolayout constraints?
...raints and updates the value of view.bounds with the correct solution, and then you inspect the view.bounds.
How do you ask auto layout to update the layout? Call [view setNeedsLayout] if you want auto layout to update the layout on the next turn of the run loop.
However, if you want it to update ...
Find CRLF in Notepad++
...ternative:
Type the new string at the beginning of the document.
Then select to view the document in Hex mode.
Select one of the new lines and hit Ctrl+H.
While you have the Replace dialog box up, select on the background the new replacement string and Ctrl+C copy it to paste it in ...
CMake: How to build external projects and include their targets
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Consider making them both ExternalProject builds, and then have B depend on A, and then the CMakeLists file for project B would include the targets file from project A, but your "Super Build" CMakeLists would just build A and then B, both as ExternalProjects...
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What is a monad?
...;= operator:
[1,2,3] >>= \a -> [a+1] >>= \b -> if b == 3 then [] else [b]
The >>= operator is the bind function in Haskell. It does the same as flatMap in JavaScript when the operand is a list, but it is overloaded with different meaning for other types.
But Haskell also ha...
What's wrong with foreign keys?
... and caring for databases (or worked closely with talented folks who did), then the fundamental tenets of entities and relationships are well-ingrained in your thought process. Among those rudiments is how/when/why to specify keys in your database (primary, foreign and perhaps alternate). It's sec...
How can I pipe stderr, and not stdout?
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First redirect stderr to stdout — the pipe; then redirect stdout to /dev/null (without changing where stderr is going):
command 2>&1 >/dev/null | grep 'something'
For the details of I/O redirection in all its variety, see the chapter on Redirections in the...
Is there an alternative to bastard injection? (AKA poor man's injection via default constructor)
...mphasis. If the DefaultThingSource is the primary option for most callers then I would encourage using it in the default constructor. If you want the caller to consider supplying their own IThingSource then I think this is an acceptable middle ground. If you want to force the user to supply an IT...
Functions that return a function
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I was confused by the d()(); at first but then realized that the first () calls d and the second () calls d's return value, which is e.
– skud
Mar 13 '14 at 18:47
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TypeError: p.easing[this.easing] is not a function
...oad/. All you have to do is mark the effect(s) that you're looking for and then download.
I was looking for the slide effect. So I first unchecked all the checkboxes, then clicked on the 'slide effect' checkbox and the page automatically then checks those other components necessary to make the slid...