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Evaluate expression given as a string
...artinMächler That's ironic, because the core R packages use parse all the time! github.com/wch/r-source/…
– geneorama
Mar 30 '17 at 22:10
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How to get current path with query string using Capybara
...y to change the accepted answer, I've updated the answer to reflect modern times. This should be more helpful to new users looking for a solution and seeing the first answer. Thanks @OddityOverseer for pointing it out
– nzifnab
Sep 8 '16 at 17:16
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What's an easy way to read random line from a file in Unix command line?
...de against shuf. The perl code is very slightly faster (8% faster by user time, 24% faster by system time), though anecdotally I've found the perl code "seems" less random (I wrote a jukebox using it).
– Adam Katz
Dec 17 '14 at 21:59
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Using LINQ to remove elements from a List
...ater. It may also be useful if you have to enumerate the sequence multiple times because then you only have to evaluate the potentially expensive where condition once or if the result may change between two enumeration, for example because the condition depends on the current time. If you only want ...
Postgresql 9.2 pg_dump version mismatch
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Every time you upgrade or re install a new version of PostgreSQL, a latest version of pg_dump is installed.
There must be a PostgreSQL/bin directory somewhere on your system, under the latest version of PostgreSQL that you...
How to display gpg key details without importing it?
...blic Key Packet(tag 6)(1037 bytes)
Ver 4 - new
Public key creation time - Tue Dec 25 23:43:07 CET 2012
Pub alg - RSA Encrypt or Sign(pub 1)
RSA n(8192 bits) - ...
RSA e(17 bits) - ...
Old: User ID Packet(tag 13)(49 bytes)
User ID - Jens Erat (born 1988-01-19 in Stuttgart, Ger...
How to read keyboard-input?
...Python 3 code example (no comments):
import threading
import queue
import time
def read_kbd_input(inputQueue):
print('Ready for keyboard input:')
while (True):
input_str = input()
inputQueue.put(input_str)
def main():
EXIT_COMMAND = "exit"
inputQueue = queue.Queue(...
Java exception not caught?
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always is very long time and in very long time anything can happen (check puzzle wouter.coekaerts.be/2012/puzzle-dreams)
– Dainius
Aug 8 '13 at 6:57
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jQuery - multiple $(document).ready …?
... Remember seeing $(function() { // do stuff }); for the first time, and how difficult it was to Google the explanation? $(document).ready communicates so much more for so little...
– Matt Montag
Oct 15 '13 at 20:19
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How to find memory leak in a C++ code/project?
...ndy tool with a neat integration into visual studio. I could save a lot of time using it. pointed me to the lines where I allocated memory and did not free it. Great. And it is cheap, compared with other memory leak finders I found.
– this.myself
Jan 14 '15 at ...