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Delete/Reset all entries in Core Data?
...tten a clearStores method that goes through every store and delete it both from the coordinator and the filesystem (error handling left aside):
NSArray *stores = [persistentStoreCoordinator persistentStores];
for(NSPersistentStore *store in stores) {
[persistentStoreCoordinator removePersisten...
snprintf and Visual Studio 2010
... -1, Microsoft's _snprintf is an unsafe function which behaves differently from snprintf (it doesn't necessarily add a null terminator), so the advice given in this answer is misleading and dangerous.
– interjay
Jun 4 '13 at 9:31
...
Override compile flags for single files
...r file/target rather than overwriting as you seem to expect. For example, from the docs for Properties on Source Files - COMPILE_FLAGS:
These flags will be added to the list of compile flags when this source file builds.
You should be able to countermand the -Weffc++ flag for foo.cpp by doing...
Convert absolute path into relative path given a current directory using Bash
...
Using realpath from GNU coreutils 8.23 is the simplest, I think:
$ realpath --relative-to="$file1" "$file2"
For example:
$ realpath --relative-to=/usr/bin/nmap /tmp/testing
../../../tmp/testing
...
Spring MVC: Complex object as GET @RequestParam
...
I will add some short example from me.
The DTO class:
public class SearchDTO {
private Long id[];
public Long[] getId() {
return id;
}
public void setId(Long[] id) {
this.id = id;
}
// reflection toString from a...
NSNotificationCenter addObserver in Swift
...idChangeNotification,
object: nil)
If your observer does not inherit from an Objective-C object, you must prefix your method with @objc in order to use it as a selector.
@objc private func batteryLevelChanged(notification: NSNotification){
//do stuff using the userInfo property of th...
Convert a string representation of a hex dump to a byte array using Java?
I am looking for a way to convert a long string (from a dump), that represents hex values into a byte array.
24 Answers
...
Why do we need Abstract factory design pattern?
...ery one of the linked answers; so this list is NOT a representative sample from the SO community.
– jaco0646
Jul 16 '16 at 14:24
1
...
AngularJS: How to run additional code after AngularJS has rendered a template?
I have an Angular template in the DOM. When my controller gets new data from a service, it updates the model in the $scope, and re-renders the template. All good so far.
...
What browsers support HTML5 WebSocket API?
...14.0 + 15.0
Firefox 7.0 + 8.0 + 9.0 + 10.0 - prefixed: MozWebSocket
IE 10 (from Windows 8 developer preview)
HyBi-17/RFC 6455
Chrome 16
Firefox 11
Opera 12.10 / Opera Mobile 12.1
Any browser with Flash can support WebSocket using the web-socket-js shim/polyfill.
See caniuse for the current st...