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How to avoid “RuntimeError: dictionary changed size during iteration” error?
...n iterate over while modifying the dict:
for i in d.keys():
Note that this doesn't work in Python 3.x because keys returns an iterator instead of a list.
Another way is to use list to force a copy of the keys to be made. This one also works in Python 3.x:
for i in list(d):
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Avoid web.config inheritance in child web application using inheritInChildApplications
...you need to wrap the individual web.config sections for which you want to disable inheritance. For example:
<!-- disable inheritance for the connectionStrings section -->
<location path="." inheritInChildApplications="false">
<connectionStrings>
</connectionStrings>
&l...
Iterating through a JSON object
... import data, i.e. title and link. I can't seem to get to the content that is past the : .
7 Answers
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How do I replace text in a selection?
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This frustrated the heck out of me, and none of the above answers really got me what I wanted. I finally found the answer I was looking for, on a mac if you do ⌘ + option + F it will bring up a Find-Replace bar at the bottom ...
Directory-tree listing in Python
How do I get a list of all files (and directories) in a given directory in Python?
20 Answers
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Unix - create path of folders and file
...you can do mkdir to create a directory and touch to create a file, but is there no way to do both operations in one go?
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'float' vs. 'double' precision
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Floating point numbers in C use IEEE 754 encoding.
This type of encoding uses a sign, a significand, and an exponent.
Because of this encoding, many numbers will have small changes to allow them to be stored.
Also, the number of significant digits can change slightly since it...
What is non-blocking or asynchronous I/O in Node.js?
In the context of Server Side Javascript engines, what is non-blocking I/O or asynchronous I/O? I see this being mentioned as an advantage over Java server side implementations.
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How do I force a UITextView to scroll to the top every time I change the text?
OK, I'm having some problem with the UITextView . Here's the issue:
37 Answers
37
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How to get back to the latest commit after checking out a previous commit?
...the code to examine or test. I have seen instructions on what to do if I wish to modify previous commits -- but suppose I make no changes. After I've done e.g. git checkout HEAD^ , how do I get back to the tip of the branch?.. git log no longer shows me the SHA of the latest commit.
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