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“Use of undeclared type” in Swift, even though type is internal, and exists in same module
...r me, I encountered this error when my test target did not have some swift files that my app build target had in compile sources. It was very confusing because the 'undeclared type' was being used in so many other places with no problem, and the error seemed vague. So solution there was of course...
Better way to revert to a previous SVN revision of a file?
I accidentally committed too many files to an SVN repository and changed some things I didn't mean to. (Sigh.) In order to revert them to their prior state, the best I could come up with was
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Android Studio with Google Play Services
...at you have to do is to add the correct dependencies into the build.gradle file. Please take a look to those links: Gradle plugin v0.4.2 update, New Build System, and this sample
The Correct way to do so is as follows:
First of all you have to launch the sdk manager and download and install the fo...
receiver type *** for instance message is a forward declaration
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That basically means that you need to import the .h file containing the declaration of States.
However, there is a lot of other stuff wrong with your code.
You're -init'ing an object without +alloc'ing it. That won't work
You're declaring an object as a non-pointer type, th...
How to remove a directory from git repository?
... both directories;
git rm -r one-of-the-directories // This deletes from filesystem
git commit . -m "Remove duplicated directory"
git push origin <your-git-branch> (typically 'master', but not always)
Remove directory from git but NOT local
As mentioned in the comments, what you usually w...
A Java API to generate Java source files [closed]
I'm looking for a framework to generate Java source files.
15 Answers
15
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Effects of the extern keyword on C functions
...tion.
At first, I thought that when defining extern int f(); in a single file forces you to implement it outside of the file's scope. However I found out that both:
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How to use find command to find all files with extensions from list?
I need to find all image files from directory (gif, png, jpg, jpeg).
9 Answers
9
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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
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If the script is the same across all users, you can use a lockfile approach. If you acquire the lock, proceed else show a message and exit.
As an example:
[Terminal #1] $ lockfile -r 0 /tmp/the.lock
[Terminal #1] $
[Terminal #2] $ lockfile -r 0 /tmp/the.lock
[Terminal #2] lockfile: ...
How to add multiple font files for the same font?
...e for the @font-face CSS rule , but I don't get one thing. I have separate files for bold , italic and bold + italic . How can I embed all three files in one @font-face rule? For example, if I have:
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