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What should my Objective-C singleton look like? [closed]
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Another option is to use the +(void)initialize method. From the documentation:
The runtime sends initialize to each class in a program exactly one time just before the class, or any class that inherits from it, is sent its first message from within the program. (Thus the meth...
Combating AngularJS executing controller twice
...s digested the controller twice. Removing the data-ng-controller attribute from the HTML resolved the issue. Alternatively, the controller: property could have been removed from the routing directive.
This problem also appears when using tabbed navigation. For example, app.js might contain:
.sta...
SHA-1 fingerprint of keystore certificate
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how to get release sha1. I am getting it from my app.jks but console.google is showing its already used.
– عثمان غني
Jul 6 '16 at 10:26
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How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?
... extends the AsyncTask , Now in my main Activity I need to get the result from the OnPostExecute() in the AsyncTask . How can I pass or get the result to my main Activity?
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How does SIGINT relate to the other termination signals such as SIGTERM, SIGQUIT and SIGKILL?
...ght or ignored.
SIGINT and SIGQUIT are intended specifically for requests from the terminal: particular input characters can be assigned to generate these signals (depending on the terminal control settings). The default action for SIGINT is the same sort of process termination as the default acti...
List submodules in a Git repository
...les enumerates each submodule path and the URL it refers to.
For example, from root of repository, cat .gitmodules will print contents to the screen (assuming you have cat).
Because .gitmodule files have the Git configuration format, you can use git config to parse those files:
git config --file ...
Removing duplicates from a list of lists
...ttleneck, keeping a set of tuples all the time and getting a list of lists from it only if and where needed, might be faster overall, for example.
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JPA: unidirectional many-to-one and cascading delete
... the parent with the child in both directions. Cascading REMOVE operations from the parent to the child will require a relation from the parent to the child (not just the opposite).
You'll therefore need to do this:
Either, change the unidirectional @ManyToOne relationship to a bi-directional @Ma...
Is module __file__ attribute absolute or relative?
I'm having trouble understanding __file__ . From what I understand, __file__ returns the absolute path from which the module was loaded.
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Regular expression to match URLs in Java
I use RegexBuddy while working with regular expressions. From its library I copied the regular expression to match URLs. I tested successfully within RegexBuddy. However, when I copied it as Java String flavor and pasted it into Java code, it does not work. The following class prints false :
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