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Postgresql GROUP_CONCAT equivalent?
...
This is probably a good starting point (version 8.4+ only):
SELECT id_field, array_agg(value_field1), array_agg(value_field2)
FROM data_table
GROUP BY id_field
array_agg returns an array, but you can CAST that to text and edit as needed (see clarifications, below).
Prior to version 8.4, you...
How do you install Google frameworks (Play, Accounts, etc.) on a Genymotion virtual device? [duplica
...getting back both ARM translation/support (this is what causes the "INSTALL_FAILED_CPU_ABI_INCOMPATIBLE" errors) and Google Play apps in your Genymotion VM.
Download the following ZIPs:
ARM Translation Installer v1.1 (Mirrors)
If you have issues flashing ARM translation, try re-downloading from a ...
How can I delete all Git branches which have been merged?
...ip, you can add it to the egrep command like the following. The branch skip_branch_name will not be deleted.
git branch --merged| egrep -v "(^\*|master|dev|skip_branch_name)"
To delete all local branches that are already merged into the currently checked out branch:
git branch --merged | egrep -v "...
Creating a jQuery object from a big HTML-string
...TML, which will parse the HTML string to an array of DOM nodes. eg:
var dom_nodes = $($.parseHTML('<div><input type="text" value="val" /></div>'));
alert( dom_nodes.find('input').val() );
DEMO
var string = '<div><input type="text" value="val" /></div>';
$('<...
How to use range-based for() loop with std::map?
...
Each element of the container is a map<K, V>::value_type, which is a typedef for std::pair<const K, V>. Consequently, in C++17 or higher, you can write
for (auto& [key, value]: myMap) {
std::cout << key << " has value " << value << std:...
Renaming a virtualenv folder without breaking it
...e
use relative paths, and will change
all the scripts to use
activate_this.py instead of using the
location of the Python interpreter to
select the environment.
Note: you must run this after you've
installed any packages into the
environment. If you make an
environment relocatab...
Setting onClickListener for the Drawable right of an EditText [duplicate]
... {
Rect bounds;
if (event.getAction() == MotionEvent.ACTION_DOWN) {
actionX = (int) event.getX();
actionY = (int) event.getY();
if (drawableBottom != null
&& drawableBottom.getBounds().contains(actionX, actionY)) {
...
https URL with token parameter : how secure is it?
...Actually, with the kind of key space we're talking about, putting a if(this_ip_number_has_requested_an_invalid_token_today()) sleep(5); in your load_simulation script would be perfectly sufficient protection. (Rate limiting is one of those features of good authentication mechanisms.)
...
Add alternating row color to SQL Server Reporting services report
...************************
Function AlternateColor(ByVal OddColor As String, _
ByVal EvenColor As String, ByVal Toggle As Boolean) As String
If Toggle Then bOddRow = Not bOddRow
If bOddRow Then
Return OddColor
Else
Return EvenColor
End If
End Function
Then on...
Bash if statement with multiple conditions throws an error
...d) and -o (for or) operations.
tldp.org/LDP/Bash-Beginners-Guide/html/sect_07_01.html
Update
Actually you could still use && and || with the -eq operation. So your script would be like this:
my_error_flag=1
my_error_flag_o=1
if [ $my_error_flag -eq 1 ] || [ $my_error_flag_o -eq 2 ] || (...