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Are there other whitespace codes like   for half-spaces, em-spaces, en-spaces etc useful in HTML
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Yes, many.
Including, but not limited to:
non breaking space :   or  
narrow no-break space :   (no character reference available)
en space :   or  
em space :   or  
3...
Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
...me key exist on B, its values from A and B will add together and
# get included in the final dictionary 'newdict'.
try:
addition = A[i] + B[i]
newdict[i] = addition
# If current key does not exist in dictionary B, it will give a KeyError,
# catch it and continue loop...
Undefined reference to vtable
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In brief : the .cpp just wasn't included in the build. The error message is really misleading.
– Offirmo
Mar 4 '13 at 14:47
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How to handle exceptions in a list comprehensions?
...e exceptions).
Function calls are expression, and the function bodies can include all the statements you want, so delegating the evaluation of the exception-prone sub-expression to a function, as you've noticed, is one feasible workaround (others, when feasible, are checks on values that might prov...
How can I programmatically check whether a keyboard is present in iOS app?
...fications. These notifications
contain information about the
keyboard, including its size, which
you can use for calculations that
involve moving views. Registering for
these notifications is the only way to
get some types of information about
the keyboard. The system delivers the
fo...
How do I download a binary file over HTTP?
...people think that open-uri is dangerous because it monkeypatches all code, including library code, that uses open with a new ability that the calling code might not anticipate. You shouldn't be trusting user input passed to open anyway, but you need to be doubly careful now.
– ...
Concept behind these four lines of tricky C code
... posted to the original form of the question, which mentioned only C++ and included a C++ header. The question's conversion to pure C was done by the community, without input from the original asker.
Formally speaking, it's impossible to reason about this program because it's ill-formed (i.e. it'...
What exactly does git's “rebase --preserve-merges” do (and why?)
..._list[] is updated so that git_path() returns the correct
location. This includes "rev-parse --git-path".
This mess is created by me.
I started trying to fix it with the introduction of refs/worktree, where all refs will be per-worktree without special treatments.
Unfortunate refs/rewr...
Grant **all** privileges on database
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+1 for not including WITH GRANT OPTION and targeting a specified database instead of all (*).
– Adonis K. Kakoulidis
Nov 16 '13 at 13:27
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How do I move a redis database from one server to another?
...e as my new redis server. If it were MySQL, I would export the DB from the old server and import it into the new server. How should I do this with redis?
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