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How do I use NSTimer?
...or articles that take this format, there is often an overview of the class and what it's used for, and then some sample code on how to use it, in this case in the "Using Timers" section. There are sections on "Creating and Scheduling a Timer", "Stopping a Timer" and "Memory Management". From the art...
How to crop an image using C#?
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Is method DrawImageUnscaledAndClipped more efficient than DrawImage for cropping purpose?
– Ivan Kochurkin
Jan 4 '13 at 22:27
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Remove Primary Key in MySQL
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Note that you have a composite PRIMARY KEY which covers all three columns and id is not guaranteed to be unique.
If it happens to be unique, you can make it to be a PRIMARY KEY and AUTO_INCREMENT again:
ALTER TABLE user_customer_permission MODIFY id INT NOT NULL PRIMARY KEY AUTO_INCREMENT;
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How can I initialize a String array with length 0 in Java?
...you can use:
private static final String[] EMPTY_ARRAY = new String[0];
and then just return EMPTY_ARRAY each time you need it - there's no need to create a new object each time.
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How to implement static class member functions in *.cpp file?
...foo() {
helper::fn1();
helper::fn2();
}
To know more about how c++ handles static functions visit: Are static member functions in c++ copied in multiple translation units?
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How to use Global Variables in C#?
...tic keyword in the class? I only made the string FILE_NAME static, I tried and it still worked for me.
– Tomer Cahal
Feb 2 at 17:54
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Advantages of stateless programming?
...programming (specifically Haskell, but I've gone through tutorials on Lisp and Erlang as well). While I found the concepts very enlightening, I still don't see the practical side of the "no side effects" concept. What are the practical advantages of it? I'm trying to think in the functional mindset...
Remove empty space before cells in UITableView
...no scrolling has occurred. When the table is scrolled, the content scrolls and shows under a transparent navigation bar. This behavior is of course wanted only if the table view starts directly under the navigation bar, which is not the case here.
Another thing to note is that iOS adjusts the cont...
How to center buttons in Twitter Bootstrap 3?
... This is the one that worked for me. I tried the others above and it wouldn't center.
– mjwrazor
Oct 27 '16 at 13:41
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UITextField auto-capitalization type - iPhone App
...t doesn't help if you past text to field. In this case delegate text input and replace first letter of each word
– HotJard
Dec 10 '13 at 8:17
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