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How to write a UTF-8 file with Java?
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edited Apr 21 '18 at 4:05
Neuron
3,54333 gold badges2323 silver badges4040 bronze badges
answered Jun...
Can someone explain the traverse function in Haskell?
...an also compare it to Foldable, which defines the related function traverse_.
traverse_ :: (Foldable t, Applicative f) => (a -> f b) -> t a -> f ()
So you can see that the key difference between Foldable and Traversable is that the latter allows you to preserve the shape of the struct...
Get final URL after curl is redirected
...ile.
– Steven Penny
Jun 15 '14 at 2:05
2
Some websites also need a spoofed user agent with curl -...
How to compare two floating point numbers in Bash?
...questions/8654051/… e.g. $ echo "1.1+2e+02" | bc (standard_in) 1: syntax error
– Nemo
Feb 2 '16 at 10:55
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YYYY-MM-DD format date in shell script
...gh**HFS) will convert the : to a /, giving you a string like 2016-09-15 11/05/00 which is mighty confusing.
– beporter
Sep 15 '16 at 16:07
26
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How can I start PostgreSQL server on Mac OS X?
...t is the result of pg_ctl -D /usr/local/var/postgres status?
Are there any error messages in the server.log?
Make sure tcp localhost connections are enabled in pg_hba.conf:
# IPv4 local connections:
host all all 127.0.0.1/32 trust
Check the listen_addresses and port in postgresql.conf:
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Vim users, where do you rest your right hand? [closed]
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answered Jul 14 '11 at 19:05
alternativealternative
11.8k55 gold badges3737 silver badges4141 bronze badges
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‘ld: warning: directory not found for option’
... this:
Click on your project (targets)
Click on Build Settings
if your error includes the -L flag, then delete the values in Library Search Paths
if your error includes the -F flag, then delete the values in Framework Search Paths
And regarding the second error, sorry i can't help you out w...
Is it possible to install another version of Python to Virtualenv?
...igure --prefix=/home/<user>/.localpython in fact make clean returned error. 2. virtualenv name -p=/python/path didn't worked instead virtualenv name -p /python/path did worked. I assume it's down to virtualenv version. cheers!
– zzart
Mar 26 '12 at 12:37...
Cron and virtualenv
...ll
It's tricky to spot why this fails as /var/log/syslog doesn't log the error details. Best to alias yourself to root so you get emailed with any cron errors. Simply add yourself to /etc/aliases and run sendmail -bi.
More info here:
http://codeinthehole.com/archives/43-Running-django-cronjobs-...