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What are enums and why are they useful?
...s (contract status: "permanent", "temp", "apprentice"), or flags ("execute now", "defer execution").
If you use enums instead of integers (or String codes), you increase compile-time checking and avoid errors from passing in invalid constants, and you document which values are legal to use.
BTW, o...
Mailto links do nothing in Chrome but work in Firefox?
... I believe the default is to run the mail client on the computer. I know at work, it will run thunderbird; if they have outlook installed it may run outlook, etc. Personally, it did not run gmail by default, I had to set it up that way.
– kennypu
Jul 14 '...
How to use putExtra() and getExtra() for string data
...Actually I have a string variable, say str, which stores some string data. Now, I want to send this data from one activity to another activity.
...
Resizing an image in an HTML5 canvas
...shop with the resampling set to 'Nearest Neighbor' instead of Bicubic. I know its possible to get this to look right, because this site can do it just fine using a canvas as well. I've tried using the same code they do as shown in the "[Source]" link, but it still looks terrible. Is there somet...
Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...over the wall and do an I|O presentation on it" library.
EDIT - Volley is now officially supported by Google. Kindly refer Google Developer Guide
From what I've read, seems like OkHTTP is the most robust of the 3
Retrofit uses OkHTTP automatically if available. There is a Gist from Jake Whart...
Python constructors and __init__
...e one defined with same name in prior? :( my Q sounds silly.. should have known it
– 0xc0de
Jan 24 '12 at 11:38
4
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Scrolling child div scrolls the window, how do I stop that?
...er scroll wheels disappear and reappear based on the user moving the mouse now, so the above comment is problem no longer an issue.
– Keith Holliday
Oct 16 '15 at 3:42
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...mplemented the OpenCV square-detection example in my test application, but now need to filter the output, because it's quite messy - or is my code wrong?
...
Difference between __getattr__ vs __getattribute__
...efined. In the following example my class Count has no __getattr__ method. Now in main when I try to access both obj1.mymin and obj1.mymax attributes everything works fine. But when I try to access obj1.mycurrent attribute -- Python gives me AttributeError: 'Count' object has no attribute 'mycurrent...
Difference between \b and \B in regex
...ern to be searched for is 'cat':
text = "catmania thiscat thiscatmaina";
Now definitions,
'\b' finds/matches the pattern at the beginning or end of each word.
'\B' does not find/match the pattern at the beginning or end of each word.
Different Cases:
Case 1: At the beginning of each word
resu...