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iphone ios running in separate thread
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In my opinion, the best way is with libdispatch, aka Grand Central Dispatch (GCD). It limits you to iOS 4 and greater, but it's just so simple and easy to use. The code to do some processing on a background thread and then do something with the results in the main run loop is inc...
CALayer with transparent hole in it
I have a simple view (left side of the picture) and i need to create some kind of overlay (right side of the picture) to this view. This overlay should have some opacity, so the view bellow it is still partly visible.
Most importantly this overlay should have a circular hole in the middle of it so i...
Accessing console and devtools of extension's background.js
I just started out with Google Chrome extensions and I can't seem to log to console from my background js. When an error occurs (because of a syntax error, for example), I can't find any error messages either.
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Why is there an unexplainable gap between these inline-block div elements? [duplicate]
...is determined by the font-size, you could simply reset the font-size to 0, and thus remove the space between the elements.
Just set font-size: 0 on the parent elements, and then declare a new font-size for the children elements. This works, as demonstrated here (example)
#parent {
font-size: 0...
Shortcut to open file in Vim
...ption of autofill. Invoke a keyboard shortcut, type the file name/pattern, and choose from all the matching files names.
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Shell script “for” loop syntax
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There is no good reason to use an external command such as seq to count and increment numbers in the for loop, hence it is recommend that you avoid using seq. This command is left for compatibility with old bash. The built-in commands are fast enough. for (( EXP1; EXP2; ...
How to disable JavaScript in Chrome Developer Tools?
... @MattParkins Chrome Developer Tool seem to break every now and then ("complex" code I guess ^^). So use Alex's answer isntead stackoverflow.com/a/13405449/759452
– Adrien Be
Dec 5 '14 at 13:48
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Error on renaming database in SQL Server 2008 R2
...to MULTI_USER mode again since the database is already at SINGLE_USER mode and you are the only user able to run any transactions anyway.
– Hakan Yildizhan
Mar 29 at 18:00
add...
What does the “static” modifier after “import” mean?
...overuse the static
import feature, it can make your
program unreadable and unmaintainable,
polluting its namespace with all the
static members you import. Readers of
your code (including you, a few months
after you wrote it) will not know
which class a static member comes
from. Impor...
Breaking out of nested loops [duplicate]
...ops than throwing an exception? (In Perl, you can give labels to each loop and at least continue an outer loop.)
8 Answer...