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How to create a directory in Java?
...tory").mkdirs();
Deprecated:
File theDir = new File("new folder");
// if the directory does not exist, create it
if (!theDir.exists()) {
System.out.println("creating directory: " + theDir.getName());
boolean result = false;
try{
theDir.mkdir();
result = true;
} ...
Detect permission of camera in iOS
... authStatus = [AVCaptureDevice authorizationStatusForMediaType:mediaType];
if(authStatus == AVAuthorizationStatusAuthorized) {
// do your logic
} else if(authStatus == AVAuthorizationStatusDenied){
// denied
} else if(authStatus == AVAuthorizationStatusRestricted){
// restricted, normally won'...
How can I get a file's size in C? [duplicate]
...ftell(fp);
You can then seek back, e.g.:
fseek(fp, 0L, SEEK_SET);
or (if seeking to go to the beginning)
rewind(fp);
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Is there a better way to find out if a local git branch exists?
I am using the following command to find out if a local git branch with branch-name exists in my repository. Is this correct? Is there a better way?
...
Focus Next Element In Tab Index
...r curIndex = currentElement.tabIndex; //get current elements tab index
if(curIndex == lastTabIndex) { //if we are on the last tabindex, go back to the beginning
curIndex = 0;
}
var tabbables = document.querySelectorAll(".tabable"); //get all tabable elements
for(var i=0; i<...
How can you detect the version of a browser?
I've been searching around for code that would let me detect if the user visiting the website has Firefox 3 or 4. All I have found is code to detect the type of browser but not the version.
...
Checking for a dirty index or untracked files with Git
How can I check if I have any uncommitted changes in my git repository:
14 Answers
14
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LINQ: When to use SingleOrDefault vs. FirstOrDefault() with filtering criteria
...e that you only want the first one.
I personally find the semantics very different and using the appropriate one, depending on the expected results, improves readability.
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How to check if a Constraint exists in Sql server?
...RE type_desc LIKE '%CONSTRAINT'
AND OBJECT_NAME(OBJECT_ID)='XYZ'
If you need even more constraint information, look inside the system stored procedure master.sys.sp_helpconstraint to see how to get certain information. To view the source code using SQL Server Management Studio get into th...
Is there Selected Tab Changed Event in the standard WPF Tab Control
...Control_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (e.Source is TabControl)
{
//do work when tab is changed
}
}
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