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How do I undo 'git add' before commit?
... commit with
git reset <file>
which will remove it from the current index (the "about to be committed" list) without changing anything else.
You can use
git reset
without any file name to unstage all due changes. This can come in handy when there are too many files to be listed one by one in...
git diff between two different files
...tterns that are supported for two files is git diff [<options>] --no-index [--] <path> <path>. git diff a b only matches commit patterns, not files.
– Doug
Jul 8 at 5:34
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Dump a NumPy array into a csv file
...Frame(np_array).to_csv("path/to/file.csv")
if you don't want a header or index, use to_csv("/path/to/file.csv", header=None, index=None)
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Where can I find documentation on formatting a date in JavaScript?
...t, show only the date.
http://www.ecma-international.org/ecma-262/7.0/index.html#sec-date.prototype.todatestring
new Date().toDateString(); // e.g. "Fri Nov 11 2016"
toISOString: Show ISO 8601 date and time.
http://www.ecma-international.org/ecma-262/7.0/index.html#sec-date.protot...
Oracle PL/SQL - How to create a simple array variable?
...xtend(); -- Extend it
array(i) := 'x';
end loop;
end;
The first index is 1 not 0.
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How do you track record relations in NoSQL?
I am trying to figure out the equivalent of foreign keys and indexes in NoSQL KVP or Document databases. Since there are no pivotal tables (to add keys marking a relation between two objects) I am really stumped as to how you would be able to retrieve data in a way that would be useful for normal we...
Get final URL after curl is redirected
...d any "body", but it then also uses the HEAD method, which is not what the question included and risk changing what the server does. Sometimes servers don't respond well to HEAD even when they respond fine to GET.
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How long is the SHA256 hash?
...h = hash('sha256', 'hello, world!');
var_dump($hash);
Will give you :
$ php temp.php
string(64) "68e656b251e67e8358bef8483ab0d51c6619f3e7a1a9f0e75838d41ff368f728"
i.e. a string with 64 characters.
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What generates the “text file busy” message in Unix?
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If trying to build phpredis on a Linux box you might need to give it time to complete modifying the file permissions, with a sleep command, before running the file:
chmod a+x /usr/bin/php/scripts/phpize \
&& sleep 1 \
&& /u...
How can I tell if a library was compiled with -g?
I have some compiled libraries on x86 Linux and I want to quickly determine whether they were compiled with debugging symbols.
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