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How to split a string into an array of characters in Python?
...ctor can be used to convert any iterable (iterators, lists, tuples, string etc.) to list.
>>> list('abc')
['a', 'b', 'c']
The big plus is that it works the same in both Python 2 and Python 3.
Also, starting from Python 3.5 (thanks to the awesome PEP 448) it's now possible to build a li...
proper way to sudo over ssh
... @jonpau That cat command is taking stdin and piping it through sudo in order to pass it the sudo password. It's showing how you can pipe the sudo password through ssh via stdin safely.
– Kurt Fitzner
Jun 5 '19 at 22:21
...
Appending a line to a file only if it does not already exist
... '};:F;s/.*mkhomedir.*/session\trequired\tpam_mkhomedir.so umask=0022/g;' /etc/pam.d/common-session
– bgStack15
May 31 '16 at 16:01
...
How to find the foreach index?
... a field would be a pseudo-index that needs manual management (increments, etc).
A foreach will give you your index in the form of your $key value, so such a hack shouldn't be necessary.
e.g., in a foreach
$index = 0;
foreach($data as $key=>$val) {
// Use $key as an index, or...
// .....
How to call another controller Action From a controller in Mvc
...ation. E.g. when using an IoC container all depdencies should be injected, etc.
– Mo Valipour
Nov 25 '13 at 16:37
49
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Can I export a variable to the environment from a bash script without sourcing it?
...
In order to export out the VAR variable first the most logical and seems working way is to source the variable:
. ./export.bash
or
source ./export.bash
Now when echoing from main shell it works
echo $VAR
HELLO, VARABLE
...
Couldn't register with the bootstrap Server
... hung
in the debugger.
I tried many things to fix the problem, in this order, all which failed:
force quitting the app on the iPhone
force quitting and then deleting the app the iPhone
opening and closing the project
cleaning the project
restarting XCode
Eventually, I rebooted the iPhone and...
Entity framework self referencing loop detected [duplicate]
...er will loop infinetly reading d.Employee.Departments.Employee.Departments etc...
To fix this right before the serialization create an anonymous type with the props you want
example (psuedo)code:
departments.select(dep => new {
dep.Id,
Employee = new {
dep.Employee.Id, dep.E...
How to find Array length inside the Handlebar templates?
...
If you are testing for an empty list in order to display content...
In Ember.js which uses handlebars, you can have an else for the #each.
{{#each blah as |blah|}}
{{else}}
// If array is empty
{{/each}}
...
PostgreSQL: How to change PostgreSQL user password?
...quit psql:
\q
If that does not work, reconfigure authentication.
Edit /etc/postgresql/9.1/main/pg_hba.conf (path will differ) and change:
local all all peer
to:
local all all md5
The...