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MySql server startup error 'The server quit without updating PID file '
...", there should be more info. It might be in:
/usr/local/var/mysql/your_computer_name.local.err
It's probably problem with permissions
check if any mysql instance is running
ps -ef | grep mysql
if yes, you should stop it, or kill the process
kill -9 PID
where PID is the number d...
python pandas remove duplicate columns
...nsider whether the values are duplicated, you want something like df.T.drop_duplicates().T.
– John Zwinck
Feb 9 '18 at 4:58
3
...
AttributeError: 'module' object has no attribute 'urlopen'
...
A Python 2+3 compatible solution is:
import sys
if sys.version_info[0] == 3:
from urllib.request import urlopen
else:
# Not Python 3 - today, it is most likely to be Python 2
# But note that this might need an update when Python 4
# might be around one day
from urlli...
JNI converting jstring to char *
...ink that I found when I started with JNI
http://en.wikipedia.org/wiki/Java_Native_Interface
http://download.oracle.com/javase/1.5.0/docs/guide/jni/spec/functions.html
concerning your problem you can use this
JNIEXPORT void JNICALL Java_ClassName_MethodName(JNIEnv *env, jobject obj, jstring javaS...
oh-my-zsh slow, but only for certain Git repo
...e the vendor folder makes things slow, like the rake folder does for rails apps? zsh is fast now, and I do not need the GIT zsh plugin anyway. Thanks!
– mblaettermann
Dec 31 '15 at 22:01
...
How to pass command line arguments to a rake task
... symbol arguments to the task call. For example:
require 'rake'
task :my_task, [:arg1, :arg2] do |t, args|
puts "Args were: #{args} of class #{args.class}"
puts "arg1 was: '#{args[:arg1]}' of class #{args[:arg1].class}"
puts "arg2 was: '#{args[:arg2]}' of class #{args[:arg2].class}"
end
ta...
Automatically add newline at end of curl response body
...ther with some text and an
ending newline:
curl -w 'We downloaded %{size_download} bytes\n' www.download.com
So try adding the following to your ~/.curlrc file:
-w "\n"
share
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improve this ...
Binding an enum to a WinForms combo box, and then setting it
... in mind the tryparse is a .net 4.0 statement.
– real_yggdrasil
Jun 22 '12 at 7:53
For me SelectedValue is always null...
Apply function to all elements of collection through LINQ [duplicate]
...answered May 31 '14 at 4:47
Jack_2060Jack_2060
54311 gold badge77 silver badges1515 bronze badges
...
How to send a command to all panes in tmux?
...ction around tmux and added a custom function called send-keys-all-panes.
_tmux_send_keys_all_panes_ () {
for _pane in $(tmux list-panes -F '#P'); do
tmux send-keys -t ${_pane} "$@"
done
}
I also create a wrapper around the tmux command to simplify calling this function (for convenience)....