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Possible reasons for timeout when trying to access EC2 instance
I cannot SSH into my instance - Operation timed out. What could be the reasons why, and what can I do to resolve it? Rebooting normally takes a long time to take effect, and might just makes things worst
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How do I get a string format of the current date time, in python?
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You can use the datetime module for working with dates and times in Python. The strftime method allows you to produce string representation of dates and times with a format you specify.
>>> import datetime
>>> datetime.date.t...
How do I find Waldo with Mathematica?
...tion of 'useful'.) (This reminds me of some of the things iPhoto will sometimes identify as a face in our photo collection...)
– Brett Champion
Dec 12 '11 at 20:21
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When are you supposed to use escape instead of encodeURI / encodeURIComponent?
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I NEED TO UPVOTE THIS SEVERAL TIMES! Unfortunately can only upvote once.
– Ramazan Polat
Oct 5 '16 at 19:44
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Create Git branch with current changes
...h branch/name
git checkout branch/name
git push origin branch/name
Often times I forget to add the origin part to push and get confused why I don't see the new branch/commit in bitbucket
share
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i...
Difference between declaring variables before or in loop?
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Well I ran your A and B examples 20 times each, looping 100 million times.(JVM - 1.5.0)
A: average execution time: .074 sec
B: average execution time : .067 sec
To my surprise B was slightly faster.
As fast as computers are now its hard to say if you could a...
How do Python functions handle the types of the parameters that you pass in?
... name in Python can perfectly well refer to different objects at different times (as in most programming languages, though not all) -- and there is no constraint on the name such that, if it has once referred to an object of type X, it's then forevermore constrained to refer only to other objects of...
What does %~dp0 mean, and how does it work?
... - expands %I to file attributes of file
%~tI - expands %I to date/time of file
%~zI - expands %I to size of file
%~$PATH:I - searches the directories listed in the PATH
environment variable and expands %I to the
fully qualified name of the first one fo...
How to prevent caching of my Javascript file? [duplicate]
...rc
You could either do this manually by incrementing the querystring each time you make a change:
<script src="test.js?version=1"></script>
Or if you are using a server side language, you could automatically generate this:
ASP.NET:
<script src="test.js?rndstr=<%= getRandomStr...
Python string class like StringBuilder in C#?
...hon:
Building long strings in the Python
progamming language can sometimes
result in very slow running code. In
this article I investigate the
computational performance of various
string concatenation methods.
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