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Check if database exists in PostgreSQL using shell
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202
I use the following modification of Arturo's solution:
psql -lqt | cut -d \| -f 1 | grep -qw &...
What are the best Haskell libraries to operationalize a program? [closed]
...4,952 bytes allocated in the heap
1 MB total memory in use
%GC time 0.0% (6.1% elapsed)
Productivity 100.0% of total user, 0.0% of total elapsed
You can get this in machine-readable format too:
$ ./A +RTS -t --machine-readable
[("bytes allocated", "64952")
,("num_GCs", "1")
,("averag...
How much overhead does SSL impose?
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Feb 13 '09 at 23:05
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Why does Clojure have “keywords” in addition to “symbols”?
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answered Oct 6 '09 at 19:52
Brian CarperBrian Carper
64.9k2525 gold badges154154 silver badges164164 bronze badges
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Why use argparse rather than optparse?
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edited Sep 10 '17 at 14:34
Cœur
29.8k1515 gold badges166166 silver badges214214 bronze badges
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How to position a table at the center of div horizontally & vertically
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280
Centering is one of the biggest issues in CSS. However, some tricks exist:
To center your table...
How to convert an IPv4 address into a integer in C#?
...64.233.187.99. That's equivalent to:
64*2^24 + 233*2^16 + 187*2^8 + 99
= 1089059683
And indeed, http://1089059683/ works as expected (at least in Windows, tested with IE, Firefox and Chrome; doesn't work on iPhone though).
Here's a test program to show both conversions, including the network/hos...
Update a record without first querying?
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answered Nov 18 '10 at 19:15
CD..CD..
61.9k2424 gold badges131131 silver badges149149 bronze badges
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Ignore invalid self-signed ssl certificate in node.js with https.request?
...p and insecure answer:
Add
process.env["NODE_TLS_REJECT_UNAUTHORIZED"] = 0;
in code, before calling https.request()
A more secure way (the solution above makes the whole node process insecure) is answered in this question
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How to declare std::unique_ptr and what is the use of it?
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edited Jun 3 '13 at 10:24
answered Jun 3 '13 at 10:18
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