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How to grey out a button?
I have a button defined as shown below. When I want to disable it I use my_btn.setEnabled(false) , but I would also like to grey it out. How can I do that?
...
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
...ysql-python
When I did the above, I got the error "EnvironmentError: mysql_config not found"
To fix this, I did the below in terminal:
export PATH=$PATH:/usr/local/mysql/bin
When I reran step 1, I get a new error "error: command 'cc' failed with exit status 1"
To fix this, I did the...
Automapper - how to map to constructor parameters instead of property setters
...ture]
public class Tester
{
[Test]
public void Test_ConstructUsing()
{
Mapper.CreateMap<ObjectFrom, ObjectTo>()
.ConstructUsing(x => new ObjectTo(x.Name));
var from = new ObjectFrom { Name = "Jon", Age = 25 };
...
PHP Function with Optional Parameters
...onal optional args.
//My function with tons of optional params
function my_func($req_a, $req_b, $opt_a = NULL, $opt_b = NULL, $opt_c = NULL)
{
//Do stuff
}
my_func('Hi', 'World', null, null, 'Red');
However, I usually find that when I start writing a function/method with that many arguments - m...
How to make a copy of a file in android?
...or me with the exception java.io.FileNotFoundException: /sdcard/AppProj/IMG_20150626_214946.jpg: open failed: ENOENT (No such file or directory) at the FileOutputStream outStream = new FileOutputStream(dst); step. According to the text I realize, that the file doesn't exist, so I check it and call d...
How to use UIVisualEffectView to Blur Image?
...
-(void) addBlurEffectOverImageView:(UIImageView *) _imageView
{
UIVisualEffect *blurEffect;
blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleDark];
UIVisualEffectView *visualEffectView;
visualEffectView = [[UIVisualEffectView alloc] initWithEffect:...
Is git good with binary files?
...{FfMCvb5IaiQM`NJfeQjFwttKJyJNq@
hveI=@x=fAo=hV3$-MIWu9%vGSr>mdKI;RB2CICA_GnfDX
You can use textconv gitattribute to have git diff show human-readable diff for binary files, or parts of binary files. For example for *.jpg files it can be difference in EXIF information, for PDF files it can be di...
Prevent browser caching of AJAX call result
... multiple requests happening within the same millisecond:
$.get('/getdata?_=' + new Date().getTime(), function(data) {
console.log(data);
});
Edit: This answer is several years old. It still works (hence I haven't deleted it), but there are better/cleaner ways of achieving this now. My prefe...
Plot correlation matrix into a graph
...answered Mar 28 '11 at 2:37
bill_080bill_080
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...
Add more than one parameter in Twig path
...n pass as many arguments as you want, separating them by commas:
{{ path('_files_manage', {project: project.id, user: user.id}) }}
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