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Git commits are duplicated in the same branch after doing a rebase
...shes to the server without issue. To fix the issue at this stage, we can reset back to before we ran git pull:
Look at the reflog (git reflog) to see what the commit hash was before we ran git pull.
070e71d HEAD@{1}: pull: Merge made by the 'recursive' strategy.
ba7688a HEAD@{2}: rebase -i (finish...
Node.js quick file server (static files over HTTP)
...n a previous answer here
// Website you wish to allow to connect
response.setHeader('Access-Control-Allow-Origin', '*');
// Request methods you wish to allow
response.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');
// Request headers you wish to allow
response...
Node / Express: EADDRINUSE, Address already in use - Kill server
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process.on('exit', ..) isn't called if the process crashes or is killed. It is only called when the event loop ends, and since server.close() sort of ends the event loop (it still has to wait for currently running stacks here and there) it makes no sense to put ...
Print in one line dynamically
...t item to:
print item, in Python 2.7
print(item, end=" ") in Python 3
If you want to print the data dynamically use following syntax:
print(item, sep=' ', end='', flush=True) in Python 3
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Why are empty strings returned in split() results?
...thing you want -- contrary to man-in-the-street horse-sense, maybe [[empty sets, like zero &c, have always confused most people;-)]], but fully conforming to obvious well-refined mathematical common-sense!-).
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How do I trim leading/trailing whitespace in a standard way?
...nd > str && isspace((unsigned char)*end)) end--;
end++;
// Set output size to minimum of trimmed string length and buffer size minus 1
out_size = (end - str) < len-1 ? (end - str) : len-1;
// Copy trimmed string and add null terminator
memcpy(out, str, out_size);
out[out_...
PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
How do I modify the owner of all tables in a PostgreSQL database?
20 Answers
20
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Any reason not to use '+' to concatenate two strings?
A common antipattern in Python is to concatenate a sequence of strings using + in a loop. This is bad because the Python interpreter has to create a new string object for each iteration, and it ends up taking quadratic time. (Recent versions of CPython can apparently optimize this in some cases, b...
How do I replace multiple spaces with a single space in C#?
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edited Mar 4 at 8:32
chindirala sampath kumar
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Which comment style should I use in batch files?
...ht. For instance, %VAR% variables are expanded. Suppose you have (wrongly) set TARGET=C:\Program Files (x86)\"foo.exe", and inside a DO(..) expression you have :: echo %TARGET% you will get an error because the (x86) gets expanded before the whole expression gets evaluated, leading to an invalid DO(...