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How make Eclipse/EGit recognize existing repository information after update?
...eria, enter the workspace directory, select "Look for nested repositores", and hit Search:
Select the repositories you want to add and click OK
"Share" each of the projects again using "use or create repository"
Open you existing project in Eclipse's Project explorer;
Right-click and select "Te...
How to get the list of all installed color schemes in Vim?
...,
:colorscheme then Space followed by CTRLd
The short version of the command is :colo so you can use it in the two previous commands, instead of using the "long form".
If you want to find and preview more themes, there are various websites like Vim colors
...
How to rollback a specific migration?
...STEP=5
Will also rollback all the migration that happened later (4, 3, 2 and also 1).
To roll back all migrations back to (and including) a target migration, use: (This corrected command was added AFTER all the comments pointing out the error in the original post)
rake db:migrate VERSION=2010090...
Pass mouse events through absolutely-positioned element
...operty that makes events "pass through" the element to which it is applied and makes the event occur on the element "below".
See for details: https://developer.mozilla.org/en/css/pointer-events
It is not supported up to IE 11; all other vendors support it since quite some time (global support was...
Possible to change where Android Virtual Devices are saved?
I've set up the Android SDK and Eclipse on my machine running Windows XP and AVDs (Android Virtual Devices) are saved to "Documents and Settings\ user \.android" by default. Is there any way to change this behavior? I have all of the other components saved in a directory on a separate partition an...
iOS change navigation bar title font and color
...
The correct way to change the title font (and color) is:
[self.navigationController.navigationBar setTitleTextAttributes:
@{NSForegroundColorAttributeName:[UIColor redColor],
NSFontAttributeName:[UIFont fontWithName:@"mplus-1c-regular" size:21]}];
Edit: Swift 4.2...
Detecting when the 'back' button is pressed on a navbar
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- (BOOL)isMovingFromParentViewController makes sense when you are pushing and popping controllers in a navigation stack.
However, if you are presenting modal view controllers you should use - (BOOL)isBeingDismissed instead:
- (void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:ani...
Heroku/GoDaddy: send naked domain to www [closed]
...ed domain for my website to redirect to the www domain. I am using Heroku and have the domain from GoDaddy. Because of Heroku, my A records are already set up as:
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MySQL SELECT only not null values
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You should use IS NOT NULL. (The comparison operators = and <> both give UNKNOWN with NULL on either side of the expression.)
SELECT *
FROM table
WHERE YourColumn IS NOT NULL;
Just for completeness I'll mention that in MySQL you can also negate the null safe equality op...
PHP: Move associative array element to beginning of array
... further at the doc on Array Operators:
The + operator returns the right-hand array appended to the left-hand array; for keys that exist in both arrays, the elements from the left-hand array will be used, and the matching elements from the right-hand array will be ignored.
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