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demystify Flask app.secret_key
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106
Anything that requires encryption (for safe-keeping against tampering by attackers) requires th...
How to retry after exception?
I have a loop starting with for i in range(0, 100) . Normally it runs correctly, but sometimes it fails due to network conditions. Currently I have it set so that on failure, it will continue in the except clause (continue on to the next number for i ).
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How to add a primary key to a MySQL table?
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10 Answers
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How can I have grep not print out 'No such file or directory' errors?
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@Kelvin does, e.g. if I use find and use print0 with xargs -0 Does that solve the issue? Thanks
– Luka
Mar 12 '18 at 1:00
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How to make/get a multi size .ico file? [closed]
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answered May 30 '12 at 15:43
Greg WoodsGreg Woods
2,57122 gold badges2121 silver badges1818 bronze badges
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What is cardinality in MySQL?
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answered Apr 2 '10 at 10:55
Alexander TorstlingAlexander Torstling
16k66 gold badges5454 silver badges6868 bronze badges
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How can I create a “Please Wait, Loading…” animation using jQuery?
...Width, height, top and left speak
for themselves. Background we set to 80% white with
our animation centered, and no-repeating */
.modal {
display: none;
position: fixed;
z-index: 1000;
top: 0;
left: 0;
height: 100%;
width: 100%;
ba...
How to sort git tags by version string order of form rc-X.Y.Z.W?
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Use version sort
git tag -l | sort -V
or for git version >= 2.0
git tag -l --sort=v:refname
git tag -l --sort=-v:refname # reverse
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Best way to require all files from a directory in ruby?
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470
How about:
Dir["/path/to/directory/*.rb"].each {|file| require file }
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I want to delete all bin and obj folders to force all projects to rebuild everything
... xargs may split into multiple entries. If your shell supports them, -print0 and -0 will work around this short-coming, so the above examples become:
find . -iname "bin" -print0 | xargs -0 rm -rf
find . -iname "obj" -print0 | xargs -0 rm -rf
and:
find . -iname "bin" -o -iname "obj" -print0 | xar...