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How do I avoid capturing self in blocks when implementing an API?
...released. (Given the structure of your code, that shouldn't be a problem.) Read more about __block.
If you are using ARC, the semantics of __block changes and the reference will be retained, in which case you should declare it __weak instead.
Long answer
Let's say you had code like this:
self.pr...
LIKE vs CONTAINS on SQL Server
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@edze - you mean, the same page that is already linked to be my first mention of CONTAINS? What of it? The original form of the question had Column CONTAIN("%test%",Column)>0 which was no-where close to valid. It's still not completely right.
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How to get RelativeLayout working with merge and include?
...r than accepted answer. Many thanks! And... c'mon google, fix this issue already, this is BS! :)
– Felipe Caldas
Aug 15 '12 at 3:15
2
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How is mime type of an uploaded file determined by browser?
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Kip, I spent some time reading RFCs, MSDN and MDN. Here is what I could understand. When a browser encounters a file for upload, it looks at the first buffer of data it receives and then runs a test on it. These tests try to determine if the file i...
Why fragments, and when to use fragments instead of activities?
...able. There is actually a fairly detailed entry in the Dev Guide, consider reading it for details.
In short, fragments live inside activities, and each activity can host many fragments. Like activities, they have a specific lifecycle, unlike activities, they are not top-level application component...
How to show line number when executing bash script
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You mention that you're already using -x. The variable PS4 denotes the value is the prompt printed before the command line is echoed when the -x option is set and defaults to : followed by space.
You can change PS4 to emit the LINENO (The line numbe...
Asynchronous shell commands
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& puts the job in the background.
Makes it block on attempting to read input, and
Makes the shell not wait for its completion.
disown removes the process from the shell's job control, but it still leaves it connected to the terminal.
One of the results is that the shell won't send it a S...
How to force use of overflow menu on devices with menu button
...tep into this conversation and discuss: I know it's prevented by design (i read the design guidelines). But thats kind of %$/%#+, i think. For example: the user is switching from a Galaxy Nexus (-> w Overflow) to a Nexus One (w 4.0/ -> no Overflow). I bet the user won't find the menu items any...
Editing Javascript using Chrome Developer Tools
...trying to edit javascript on a site using Chrome's Developer Tools. I have read about 30 accounts of how to do this as well as watched a few videos. The fact is, when I go to the sources tab and open the file I want to edit, I can't do anything to it. Is there some step I am missing?
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When is JavaScript's eval() not evil?
I'm writing some JavaScript code to parse user-entered functions (for spreadsheet-like functionality). Having parsed the formula I could convert it into JavaScript and run eval() on it to yield the result.
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