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In which scenario do I use a particular STL container?
...id (and pointing to the same element) regardless of what you add or remove from the container (as long as it is not the element in question).
– Mikael Persson
Apr 29 '16 at 4:22
1
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if/else in a list comprehension
...er the for…in is part of list comprehensions and used to filter elements from the source iterable.
Conditional expressions can be used in all kinds of situations where you want to choose between two expression values based on some condition. This does the same as the ternary operator ?: that ex...
Why does Unicorn need to be deployed together with Nginx?
...so, if you have large amounts of data coming + going, nginx will buffer it from (and spoon feed to) the client. Without nginx, one of your unicorns will be tied up during uploads/downloads.
– BraveNewCurrency
Jul 22 '13 at 1:34
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Confusion between numpy, scipy, matplotlib and pylab
...otlib.
If you run ipython --pylab an automatic import will put all symbols from matplotlib.pylab into global scope. Like you wrote numpy gets imported under the np alias. Symbols from matplotlib are available under the mpl alias.
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Need to reset git branch to origin version
...Now I want to overwrite the branch I shouldn't have been on to the version from origin (github). Is there an easy way to do this? I tried deleting the branch and then resetting up the tracking branch, but it just gives me the version I was working on again.
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Javascript seconds to minutes and seconds
... get the remaining seconds, multiply the full minutes with 60 and subtract from the total seconds:
var seconds = time - minutes * 60;
Now if you also want to get the full hours too, divide the number of total seconds by 3600 (60 minutes/hour · 60 seconds/minute) first, then calculate the remaini...
How can I check in a Bash script if my local Git repository has changes?
...t you meant was:
if [ -n "$CHANGED" ]; then
VN="$VN-mod"
fi
A quote from Git's GIT-VERSION-GEN:
git update-index -q --refresh
test -z "$(git diff-index --name-only HEAD --)" ||
VN="$VN-dirty"
It looks like you were copying that, but you just forgot that detail of quoting.
Of course, you c...
How do I invoke a Java method when given the method name as a string?
...
Coding from the hip, it would be something like:
java.lang.reflect.Method method;
try {
method = obj.getClass().getMethod(methodName, param1.class, param2.class, ..);
} catch (SecurityException e) { ... }
catch (NoSuchMethodExc...
How to overlay images
... Tim K.: your code looks fine, except for the CSS. The engine reads CSS from right to left. When you use 'a.gallerypic' it's looks first for 'gallerypic' and then it checks if 'gallerypic' has a 'a' ancestor. To solve this, simple leave the 'a' out, so you get '.gallerypic'. No need for the prece...
Why is  appearing in my HTML? [duplicate]
...Sublime Text, just open the offending file and choose "Save with Encoding" from the File menu and choose UTF-8.
– Emanuele Ciriachi
Oct 20 '17 at 12:34
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