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Why are Standard iterator ranges [begin, end) instead of [begin, end]?
... begin i end
and you immediately see that the range of elements from begin to i contains the elements A and B while the range of elements from i to end contains the elements C and D. Dereferencing i gives the element right of it, that is the first element of the second sequence.
Even the...
Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
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False is a bool. It has a different type. It is a different object from 0 which is an integer.
0 == False returns True because False is cast to an integer. int(False) returns 0
The python documentation of the == operator says (help('==')):
The operators <, >, ==, >=, <=, an...
How to subtract X day from a Date object in Java?
...ateTime.ofInstant(in.toInstant(), ZoneId.systemDefault());
Date out = Date.from(ldt.atZone(ZoneId.systemDefault()).toInstant());
Java 7 and earlier
Use Calendar's add() method
Calendar cal = Calendar.getInstance();
cal.setTime(dateInstance);
cal.add(Calendar.DATE, -30);
Date dateBefore30Days = c...
Saving images in Python at a very high quality
... elevation_angle is a number (in degrees) specifying the polar angle (down from vertical z axis) and the azimuthal_angle specifies the azimuthal angle (around the z axis).
I find that it is easiest to determine these values by first plotting the image and then rotating it and watching the current v...
How to use glyphicons in bootstrap 3.0
...nload a customized bootstrap 3 distro you must:
Download the full distro from
https://github.com/twbs/bootstrap/archive/v3.0.0.zip
Uncompress and upload the entire folder called fonts to your bootstrap directory. Put together with the other folders "css, js".
Example Before:
\css
\js
index.ht...
What is mod_php?
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This answer is taken from TuxRadar:
When running PHP through your web server, there are two distinct options: running it using PHP's CGI SAPI, or running it as a module for the web server. Each have their own benefits, but, overall, the module i...
The command rbenv install is missing
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The install command is not embedded into rbenv, it comes from the ruby-build plugin. You can install it using the command:
git clone https://github.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build
On Mac OS X you can install it through homebrew:
brew install ruby-bui...
What is the difference between CurrentCulture and CurrentUICulture properties of CultureInfo in .NET
...been set up on the server OS as defaults.
CurrentUICulture can be captured from the user agent, and may represent the user interface culture of the client connecting to the website. For example, if you load that website from Russia, your local settings are set to use Russian language, and your user ...
Flushing footer to bottom of the page, twitter bootstrap
...e found. If you want it to work after window resize just put the main code from the answer inside $(window).resize(function() {//main code goes here}); and invoke $(window).resize(); to set it when page loads.
– Szymon Sadło
Aug 22 '16 at 19:48
...
Use URI builder in Android or create URL with variables
...
Excellent answer from above turned into a simple utility method.
private Uri buildURI(String url, Map<String, String> params) {
// build url with parameters.
Uri.Builder builder = Uri.parse(url).buildUpon();
for (Map.Entry...