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Difference between 'python setup.py install' and 'pip install'
...ng more about the details of what exactly you can do with pip, see:
Quickstart guide
Official documentation.
It is also commonly recommended that you use pip and virtualenv together. If you're a beginner to Python, I personally think it'd be fine to start of with just using pip and install packa...
How do I create a parameterized SQL query? Why Should I?
...
Here's a short class to start with SQL and you can build from there and add to the class.
MySQL
Public Class mysql
'Connection string for mysql
Public SQLSource As String = "Server=123.456.789.123;userid=someuser;password=somesecurepasswo...
How to turn on front flash light programmatically in Android?
...();
p.setFlashMode(Parameters.FLASH_MODE_TORCH);
cam.setParameters(p);
cam.startPreview();
Code snippet to turn off camera led light.
cam.stopPreview();
cam.release();
I just found a project that uses this permission. Check quick-settings' src code. here http://code.google.com/p/quick-sett...
PHP foreach change original array values
...don't pass by reference" or "passing by reference is evil". Less likely to start a flame war. :)
– Sean the Bean
Oct 3 '17 at 20:24
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Which is better, number(x) or parseFloat(x)?
...have standard numeric input, there's no difference. However, if your input starts with a number and then contains other characters, parseFloat truncates the number out of the string, while Number gives NaN (not a number):
parseFloat('1x'); // => 1
Number('1x'); // => NaN
In addition, Number...
Use email address as primary key?
...t e-mail, making it pretty damn hard to change ...
... and I haven't even started talking about performance considerations.
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REST API - why use PUT DELETE POST GET?
...P that you can take advantage of if you're using a truly restful API. I'd start with authentication.
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__FILE__, __LINE__, and __FUNCTION__ usage in C++
...inal source files. For example:
#line 100
Will make the following lines start with __LINE__ 100. You can optionally add a new file-name
#line 100 "file.c"
It's only rarely useful. But if it is needed, there are no alternatives I know of. Actually, instead of the line, a macro can be used too w...
Wait for all promises to resolve
...ctions are complete. There will likely be multiple $q.alls, however once I start the resolution process, no new actions/promises will be chained.
– jensengar
Feb 13 '14 at 19:18
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Django - what is the difference between render(), render_to_response() and direct_to_template()?
... the Django noob (i.e. me) - almost certainly a simplification, but a good starting point?
render_to_response() is the "original", but requires you putting context_instance=RequestContext(request) in nearly all the time, a PITA.
direct_to_template() is designed to be used just in urls.py without a...