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Left padding a String with Zeros [duplicate]
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@mhvelplund It was edited Mar 2 by Rick, I think he just made a mistake, I have undone the change.
– Magnus
Mar 29 '18 at 2:27
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Delete specified file from document directory
...nMask, YES) objectAtIndex:0];
NSString *filePath = [documentsPath stringByAppendingPathComponent:filename];
NSError *error;
BOOL success = [fileManager removeItemAtPath:filePath error:&error];
if (success) {
UIAlertView *removedSuccessFullyAlert = [[UIAlertView alloc] initWithTitl...
How do I find numeric columns in Pandas?
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By far the most Pythonic way, yes.
– jorijnsmit
Apr 19 at 8:40
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Rename a file using Java
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Renaming the file by moving it to a new name. (FileUtils is from Apache Commons IO lib)
String newFilePath = oldFile.getAbsolutePath().replace(oldFile.getName(), "") + newName;
File newFile = new File(newFilePath);
try {
FileUtils....
How can I get the current screen orientation?
...y changes). You can declare multiple configuration values in the attribute by separating them with a pipe | character.
<activity android:name=".MyActivity"
android:configChanges="orientation|keyboardHidden"
android:label="@string/app_name">
T
How do I get the RootViewController from a pushed controller?
...ccess this via something like self.navigationController.rootViewController by just adding a readonly property to your header:
@property (nonatomic, readonly, weak) UIViewController *rootViewController;
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Give examples of functions which demonstrate covariance and contravariance in the cases of both over
... for contra variant say. super.doSomething("String") could not be replaced by sub.doSomething(Object).
– zinking
Jan 26 '17 at 10:07
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Vim users, where do you rest your right hand? [closed]
...gonomic rationale.
I personally prefer to follow the approach recommended by i3 window manager which as explained in the FAQ on Why does the default config use jkl; instead of hjkl? is an ergonomic choice.
i3 uses jkl; because these keys make up the "home row" underneath your right hand when to...
Disable button in jQuery
... are using ajax, you enable the button in the success and error cases. Not by the end of the ajax call. Because then it will immediately be enabled and you wont see the disable at all.
– user890332
Aug 17 '14 at 17:11
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Get current folder path
...d GetExecutingAssembly doesn't come as much of a surprise, is also obvious by the function name. If they did the same, why should there be two functions? :-)
– Thorsten Dittmar
Nov 8 '13 at 8:49
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