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Django 1.7 - makemigrations not detecting changes
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This is kind of a stupid mistake to make, but having an extra comma at the end of the field declaration line in the model class, makes the line have no effect.
It happens when you copy paste the def. from the migration, which itself is defined as an array.
Though maybe this wou...
Placeholder in UITextView
...HolderTextView : UITextView
@property (nonatomic, retain) IBInspectable NSString *placeholder;
@property (nonatomic, retain) IBInspectable UIColor *placeholderColor;
-(void)textChanged:(NSNotification*)notification;
@end
UIPlaceHolderTextView.m:
#import "UIPlaceHolderTextView.h"
@interface UI...
Eclipse executable launcher error: Unable to locate companion shared library
...make a fresh install of the current version of LiClipse, then reinstall my extra Eclipse features. Yes, reinstallation isn't that hard, because the most important preferences persist.
– Jim DeLaHunt
Jul 25 '16 at 22:08
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phonegap open link in browser
... not able to get links to open in the default browser app cross-platform.
Extra credit
Here's an example (live) click handler for the links:
document.addEventListener('click', function (e) {
if (e.target.tagName === 'A' &&
e.target.href.match(/^https?:\/\//)) {
e.preve...
JS strings “+” vs concat method [duplicate]
I have some experience with Java and I know that strings concatenation with "+" operator produces new object.
5 Answers
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Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it
...port1_DataReceived method, use this pattern:
delegate void SetTextCallback(string text);
private void SetText(string text)
{
// InvokeRequired required compares the thread ID of the
// calling thread to the thread ID of the creating thread.
// If these threads are different, it returns true.
...
Difference between shared objects (.so), static libraries (.a), and DLL's (.so)?
...to open and use a .so or .dll that wasnt there at compile that or just add extra functionality, like plugins.
– rapadura
Mar 13 '12 at 16:49
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How to line-break from css, without using ?
... return. This is CSS, not HTML, so it shall be closer to what you want: no extra markup.
In a blockquote, the example below displays both the title and the source link and separate the two with a carriage return ("\a"):
blockquote[title][cite]:after {
content:attr(title)"\a"attr(cite)
}
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Python __str__ and lists
In Java, if I call List.toString(), it will automatically call the toString() method on each object inside the List. For example, if my list contains objects o1, o2, and o3, list.toString() would look something like this:
...
Dashed line border around UIView
...lding upon what Prasad G has suggested I created a method inside a UIImage Extras class with the following:
- (CAShapeLayer *) addDashedBorderWithColor: (CGColorRef) color {
CAShapeLayer *shapeLayer = [CAShapeLayer layer];
CGSize frameSize = self.size;
CGRect shapeRect = CGRectMake(0....