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How to fully remove Xcode 4
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If you have XCode 4.3.1, just Move To Trash the XCode.app file in the Applications folder.
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How to compare a local git branch with its remote branch?
... @Harsh Phoujdar Add the below code in your .git/.gitconfig file [diff] tool = vscode [difftool] prompt = false [difftool "vscode"] cmd = \"C:\\Program Files (x86)\\Microsoft VS Code\\Code.exe\" \"$LOCAL\" \"$REMOTE\" --diff --wait trustExitCode = false Make s...
Exit Shell Script Based on Process Exit Code
... can be found in the $? variable so you would have something like:
ls -al file.ext
rc=$?; if [[ $rc != 0 ]]; then exit $rc; fi
You need to be careful of piped commands since the $? only gives you the return code of the last element in the pipe so, in the code:
ls -al file.ext | sed 's/^/xx: /"
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What are named pipes?
... of the thing on the other end etc).
Unix named pipes appear as a special file in the filesystem and can be accessed with normal file IO commands including the shell. Windows ones don't, and need to be opened with a special system call (after which they behave mostly like a normal win32 handle).
E...
unsigned APK can not be installed
...release application, It only took 5 minutes, then I emailed the signed-APK file to myself and downloaded it to SD-card and then installed it without any problem.
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Access string.xml Resource File from Java Android Code
How do you access the values in the res/values/string.xml resource file from the Android Activity class ?
5 Answers
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How to echo with different colors in the Windows command line
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You can generate an ESC character in a Batch file this way: for /F %%a in ('echo prompt $E ^| cmd') do set "ESC=%%a"
– Aacini
Apr 22 '17 at 14:10
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What is an example of the simplest possible Socket.io example?
...),
// NEVER use a Sync function except at start-up!
index = fs.readFileSync(__dirname + '/index.html');
// Send index.html to all requests
var app = http.createServer(function(req, res) {
res.writeHead(200, {'Content-Type': 'text/html'});
res.end(index);
});
// Socket.io server lis...
Multiple constructors in python? [duplicate]
...a:
class C(object):
def __init__(self, fd):
# Assume fd is a file-like object.
self.fd = fd
@classmethod
def fromfilename(cls, name):
return cls(open(name, 'rb'))
# Now you can do:
c = C(fd)
# or:
c = C.fromfilename('a filename')
Notice all those classmethod...
Creating a UICollectionView programmatically
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Header file:--
@interface ViewController : UIViewController<UICollectionViewDataSource,UICollectionViewDelegateFlowLayout>
{
UICollectionView *_collectionView;
}
Implementation File:--
- (void)viewDidLoad
{
[super...