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Postgresql: Scripting psql execution with password
...answer your question, there are a few ways provide a password for password-based authentication. The obvious way is via the password prompt. Instead of that, you can provide the password in a pgpass file or through the PGPASSWORD environment variable. See these:
https://www.postgresql.org/docs/...
How to delete a file via PHP?
...img/tasks/" . 'image.jpg');
The dirname(__FILE__) section prints out the base path to your project. The /img/tasks/ are two folders down from my base path. And finally, there's my image I want to delete which you can make into anything you need to.
With this I have not had any problem getting to ...
getViewTypeCount and getItemViewType methods of ArrayAdapter
...st has the same layout, you don't need to worry about view types. In fact, BaseAdapter.java provides a default behavior for all adapters:
public int getItemViewType(int position) {
return 0;
}
public int getViewTypeCount() {
return 1;
}
This indeed provides you with the same view type fo...
How to extract the first two characters of a string in shell scripting?
...st efficient method, if you're using the bash shell (and you appear to be, based on your comments), is to use the sub-string variant of parameter expansion:
pax> long="USCAGol.blah.blah.blah"
pax> short="${long:0:2}" ; echo "${short}"
US
This will set short to be the first two characters of...
How to get the raw value an field?
...
Track all pressed keys based on their key codes
I suppose one could listen to the keyup events and keep an array of all characters entered, based on their keycodes. But it's a pretty tedious task and probably prone to bugs.
http://unixpapa.com/js...
Where to put view-specific javascript files in an ASP.NET MVC application?
...ontrollerDescriptor, string actionName)
{
var action = base.FindAction(controllerContext, controllerDescriptor, actionName);
if (action != null)
{
return action;
}
if (actionName.EndsWith(".js"))
{
...
Is there a way to 'uniq' by column?
...
To consider multiple column.
Sort and give unique list based on column 1 and column 3:
sort -u -t : -k 1,1 -k 3,3 test.txt
-t : colon is separator
-k 1,1 -k 3,3 based on column 1 and column 3
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Constructor overloading in Java - best practice
...
I think "already overloaded classes" meant that the base class has several overloaded constructors.
– Chii
Jul 25 '09 at 14:20
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Pythonic way to check if a file exists? [duplicate]
...t. If it does exists, it will print "Ooops" and return None (untested, and based solely on reading the python documentation, so might not be 100% correct).
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How to set selected item of Spinner by value, not by position?
I have a update view, where I need to preselect the value stored in database for a Spinner.
25 Answers
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