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Difference between static class and singleton pattern?
What real (i.e. practical) difference exists between a static class and a singleton pattern?
39 Answers
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How to grey out a button?
...able state with false indication; see comments)
You will provide effect and background for the states accordingly.
Here is a detailed discussion: Standard Android Button with a different color
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QString to char* conversion
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const char* and char* are not the same type.
– Lightness Races in Orbit
Nov 15 '12 at 22:12
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Passing a dictionary to a function as keyword parameters
...reat, just used it with argparse/__dict__ to make it really easy to do command line argument parsing directly into options for a class object.
– Horus
Jun 14 '12 at 3:47
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How to send parameters from a notification-click to an activity?
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Take a look at this guide (creating a notification) and to samples ApiDemos "StatusBarNotifications" and "NotificationDisplay".
For managing if the activity is already running you have two ways:
Add FLAG_ACTIVITY_SINGLE_TOP flag to the Intent when launching the activity, a...
Access is denied when attaching a database
... answered May 22 '12 at 18:18
MandoMandoMandoMando
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Change the maximum upload file size
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You need to set the value of upload_max_filesize and post_max_size in your php.ini :
; Maximum allowed size for uploaded files.
upload_max_filesize = 40M
; Must be greater than or equal to upload_max_filesize
post_max_size = 40M
After modifying php.ini file(s), you need...
Can I use a :before or :after pseudo-element on an input field?
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:after and :before are not supported in Internet Explorer 7 and under, on any elements.
It's also not meant to be used on replaced elements such as form elements (inputs) and image elements.
In other words it's impossible with pur...
How to avoid circular imports in Python? [duplicate]
...know the issue of circular imports in python has come up many times before and I have read these discussions. The comment that is made repeatedly in these discussions is that a circular import is a sign of a bad design and the code should be reorganised to avoid the circular import.
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git command to move a folder inside another
I have created a folder common with a bunch of source files and folders.
9 Answers
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