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Easiest way to flip a boolean value?
... something long-winded like object1->system1.system2.system3.parameter1 then it can be helpful to have a TOGGLE(a) macro. This prevents some mistakes and makes it all more readable on narrow screens.
– OJW
Oct 1 '10 at 12:17
...
jQuery object equality
...bles are actually the same object, eg:
var a = $('#foo');
var b = a;
...then you can check their unique IDs. Every time you create a new jQuery object it gets an id.
if ($.data(a) == $.data(b)) {
// the same object!
}
Though, the same could be achieved with a simple a === b, the above migh...
Bower: ENOGIT Git is not installed or not in the PATH
...e left side column
Click Environment Variables in the bottom of the window
Then under System Variables look for the path variable and click edit
Add the pwd to Git's binary and cmd at the end of the string like this:
;%PROGRAMFILES(x86)%\Git\bin;%PROGRAMFILES(x86)%\Git\cmd
Now test it out in Pow...
Fatal error: use of unimplemented initializer 'init(coder:)' for class
...n on Session 403. But if the child class only has convenience initializers then it will inherite the super class initializers right?
– jamiltz
Jun 9 '14 at 18:20
1
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What is the difference between a deep copy and a shallow copy?
...
Especially For iOS Developers:
If B is a shallow copy of A, then for primitive data it's like B = [A assign]; and for objects it's like B = [A retain];
B and A point to the same memory location
If B is a deep copy of A, then it is like B = [A copy];
B and A point to different memor...
Nokogiri installation fails -libxml2 is missing
...
If you're on a mac: brew install libxslt then brew install libxml2
– Sam Backus
Sep 11 '14 at 15:47
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Read and parse a Json File in C#
...Events { get; set; }
public string type { get; set; }
}
Then use the JavaScriptSerializer (from System.Web.Script.Serialization), in case you don't want any third party DLL like newtonsoft.
using (StreamReader r = new StreamReader("jsonfile.json"))
{
string json = r.ReadToEnd(...
Xcode build failure “Undefined symbols for architecture x86_64”
...asically I removed the arm64 thingy from the Valid Architectures property. Then as shown in the above, it will be forced only to look what's there in the valid architectures I guess!
– Randika Vishman
Apr 22 '14 at 21:52
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How to reload/refresh an element(image) in jQuery
...see some more jQuery. But for a start, try remove the attribute first, and then set it again. Just to see if that helps:
$("#myimg").removeAttr("src").attr("src", "/myimg.jpg");
Even if this works, post some code since this is not optimal, imo :-)
...
Setting the zoom level for a MKMapView
...istance in meters vertically and horizontally to get the desired zoom. And then of course when you update your location you'll get the right coordinates, or you can specify it directly in the CLLocationCoordinate2D at startup, if that's what you need to do:
CLLocationCoordinate2D noLocation;
MKCoor...