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UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?
.... You should do things that you only have to do once in viewDidLoad - like setting your UILabel texts. However, you may want to modify a specific part of the view every time the user gets to view it, e.g. the iPod application scrolls the lyrics back to the top every time you go to the "Now Playing" ...
What exactly does the Access-Control-Allow-Credentials header do?
...omething that happens passively without any control.
The client code must set the withCredentials property on the XMLHttpRequest to true in order to give permission.
However, this header alone is not enough. The server must respond with the Access-Control-Allow-Credentials header. Responding with ...
Flexbox not giving equal width to elements
...in your example.
If you want your elements to be completely even, you can set flex-basis: 0. This will set the flex basis to 0 and then any remaining space (which will be all space since all basises are 0) will be proportionally distributed based on flex-grow.
li {
flex-grow: 1;
flex-basi...
Python Matplotlib figure title overlaps axes label when using twiny
...
For labels you can set the argument labelpad, see here.
– Felix Hoffmann
May 2 '14 at 10:08
1
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How to update maven repository in Eclipse?
...roject and choose Maven > Update Snapshots. In addition to that you can set "update Maven projects on startup" in Window > Preferences > Maven
UPDATE: In latest versions of Eclipse: Maven > Update Project.
Make sure "Force Update of Snapshots/Releases" is
checked.
...
Capture key press (or keydown) event on DIV element
...
(1) Set the tabindex attribute:
<div id="mydiv" tabindex="0" />
(2) Bind to keydown:
$('#mydiv').on('keydown', function(event) {
//console.log(event.keyCode);
switch(event.keyCode){
//....your actions fo...
Undefined reference to pthread_create in Linux
...nyone using CODEBLOCKS: Add -pthread to Project Build Options -> Linker Settings -> Other linker options.
– user3728501
Oct 4 '15 at 13:23
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Creating java date object from year,month,day
...ero-based in Calendar. So 12 is interpreted as december + 1 month. Use
c.set(year, month - 1, day, 0, 0);
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How do I change the background color of a plot made with ggplot2
...theme the default when ggplot is called in future, without masking:
theme_set(theme_jack())
If you want to change an element of the currently set theme:
theme_update(plot.background = element_rect(fill="pink"), axis.title.x = element_text(colour = "red"))
To store the current default theme as ...
Equivalent of varchar(max) in MySQL?
...
However, note that the limit is lower if you use a multi-byte character set:
VARCHAR(21844) CHARACTER SET utf8
Here are some examples:
The maximum row size is 65535, but a varchar also includes a byte or two to encode the length of a given string. So you actually can't declare a varchar of ...