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Exception thrown in NSOrderedSet generated accessors
... before passing back to the NSManagedObject, which should if any reason be calling isEqualToOrderedSet to determine if the set needs to even change or be left as is.
– InitJason
Jan 19 '12 at 17:42
...
Git: How to rebase to a specific commit?
...t:
Find a previous branching point of the branch to be rebased (moved) - call it old parent. In the example above that's A
Find commit on top of which you want to move the branch to - call it new parent. In the exampe that's B
You need to be on your branch (the one you move):
Apply your rebase: g...
How to intercept all AJAX requests made by different JS libraries
...ons.
And, the only performance impact is really only one extra function call for each .open() plus whatever code you execute yourself which is probably immaterial when a networking call is involved.
In IE, this won't catch any code that tries to use the ActiveXObject control method of doing Aj...
MySQL: Fastest way to count number of rows
...unt with this single query:
SELECT FOUND_ROWS();
FOUND_ROWS() has to be called immediately after the data selecting query.
In conclusion, everything actually comes down to how many entries you have and what is in the WHERE statement. You should really pay attention on how indexes are being use...
Getting value of public static final field/property of a class in Java via reflection
...et(null);
Exception handling is left as an exercise for the reader.
Basically you get the field like any other via reflection, but when you call the get method you pass in a null since there is no instance to act on.
This works for all static fields, regardless of their being final. If the field...
Ruby, Difference between exec, system and %x() or Backticks
...
system
The system method calls a system program. You have to provide the command as a string argument to this method. For example:
>> system("date")
Wed Sep 4 22:03:44 CEST 2013
=> true
The invoked program will use the current STDIN, STD...
Convert JSON String To C# Object
...keyword, you can read how here.
If you declare a class or struct, you can call Deserialize instead of DeserializeObject like so:
class MyProgram {
struct MyObj {
public string test { get; set; }
}
static void Main(string[] args) {
var json_serializer = new JavaScriptSe...
How to perform Unwind segue programmatically?
...rd this is very easy. You just drag the action to "Exit". But how should I call it from my code?
10 Answers
...
How can I get the length of text entered in a textbox using jQuery?
...he .val() method to get the string contained in the input textbox and then call the .length on that string.
$('input:text').val().length
However, be warned that if the selector matches multiple inputs, .val() will only return the value of the first textbox. You can also change the selector to get ...
Matplotlib (pyplot) savefig outputs blank image
... values that depend whether or not T0 exists.
Second, after plt.show() is called, a new figure is created. To deal with this, you can
Call plt.savefig('tessstttyyy.png', dpi=100) before you call plt.show()
Save the figure before you show() by calling plt.gcf() for "get current figure", then you c...