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How do I do an OR filter in a Django query?
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@alexis: you could also do Item.objects.filter(creator__in=creators), for example.
– Kevin London
Dec 9 '14 at 23:11
4
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Rotating a two-dimensional array in Python
...ke it clear what zip does, it will group elements from each input iterable based on index, or in other words it groups the columns.
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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)....
Breakpoint on property change
...al object
var obj = {
someProp: 10
};
// save in another property
obj._someProp = obj.someProp;
// overwrite with accessor
Object.defineProperty(obj, 'someProp', {
get: function () {
return obj._someProp;
},
set: function (value) {
debugger; // sets breakpoint
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Android – Listen For Incoming SMS Messages
... protected override void OnCreate(Bundle bundle) {
base.OnCreate(bundle);
global::Xamarin.Forms.Forms.Init(this, bundle);
LoadApplication(new App());
// Register your receiver : RegisterReceiver(_receiver, new IntentFilter("a...
How to get all properties values of a JavaScript Object (without knowing the keys)?
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lodash is unnecessary for this and will bloat your code base
– dman
Apr 17 '18 at 18:23
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UITableView with fixed section headers
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Rails Observer Alternatives for 4.0
...odels you wish to run the after_save in:
class MyModel < ActiveRecord::Base
include MyConcernModule
end
Depending on what you're doing, this might get you close without observers.
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Differences between Perl and PHP [closed]
...ve subscripts in PHP are subscripts like any other.
In Perl 5, classes are based on packages and look nothing like classes in PHP (or most other languages). Perl 6 classes are closer to PHP classes, but still quite different. (Perl 6 is different from Perl 5 in many other ways, but that's off topic....
What is the best way to ensure only one instance of a Bash script is running? [duplicate]
...e
### HEADER ###
LOCKFILE="/var/lock/`basename $0`"
LOCKFD=99
# PRIVATE
_lock() { flock -$1 $LOCKFD; }
_no_more_locking() { _lock u; _lock xn && rm -f $LOCKFILE; }
_prepare_locking() { eval "exec $LOCKFD>\"$LOCKFILE\""; trap _no_more_locking EXIT; }
# ON START
_prepare_l...