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JavaScript variables declare outside or inside loop?
...self an accidental global.
In particular:
for (var i; i<100; i++)
do something;
for (var i; i<100; i++)
do something else;
Crockford will recommend you remove the second var (or remove both vars and do var i; above), and jslint will whinge at you for this. But IMO it's more mainta...
Using sed and grep/egrep to search and replace
...
it all works except the | in the sed part. I don't understand why though since it makes sense... the -l part of xargs was giving me errors so I took it out, could that be related?
– Ori
Jul 23 '09 at 6:43
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Change Name of Import in Java, or import two classes with the same name
In Python you can do a:
7 Answers
7
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Run two async tasks in parallel and collect results in .NET 4.5
...thought this wrong was answer until I ran it. then I understood. It really does execute in 5 seconds. The trick is to NOT await the tasks immediately, instead await on Task.WhenAll.
– Tim Lovell-Smith
Apr 3 '14 at 9:13
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Shell one liner to prepend to a file
...rd things could happen, or it just didn't work at all, so it was furiously downvoted for a time. Such fun.
The solution exploits the exact implementation of file descriptors on your system and, because implementation varies significantly between nixes, it's success is entirely system dependent, de...
How do you format the day of the month to say “11th”, “21st” or “23rd” (ordinal indicator)?
... it really feels like an oversight in the simple data format, doesn't it?
– stevevls
Dec 11 '11 at 14:11
52
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Importing from builtin library when module with same name exists
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The accepted solution contains a now-deprecated approach.
The importlib documentation here gives a good example of the more appropriate way to load a module directly from a file path for python >= 3.5:
import importlib.util
import sys
# For illustrative purposes.
import tokenize
file_path = ...
Rebase a single Git commit
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This doesn't seem to work for me, I lose the commits before XX and the branch is rebased to master with a single commit, but I never used --onto before so I may be doing something wrong. BTW the OP said rebase but it seems like he...
Regular Expression to match string starting with “stop”
How do I create a regular expression to match a word at the beginning of a string. We are looking to match stop at the beginning of a string and anything can follow it.
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How to set HTTP header to UTF-8 using PHP which is valid in W3C validator?
... would only add that when you set the HTTP header correctly like this, you do not need the <meta> tag at all anymore.
– Jon
Nov 25 '10 at 16:55
4
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