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Argument list too long error for rm, cp, mv commands
...der a directory in UNIX. The names of the PDFs are really long (approx. 60 chars).
27 Answers
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Count table rows
...
SELECT COUNT(*) FROM fooTable;
will count the number of rows in the table.
See the reference manual.
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Select datatype of the field in postgres
...tion_schema (8.4 docs referenced here, but this is not a new feature):
=# select column_name, data_type from information_schema.columns
-# where table_name = 'config';
column_name | data_type
--------------------+-----------
id | integer
default_printer_id | integer
mast...
What are these ^M's that keep showing up in my files in emacs?
...file, but it still let me 'git clone code.google.com/p/pytomtom' with '^m' chars?????
– Big Rich
Mar 17 '15 at 12:26
12
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How can I change the color of my prompt in zsh (different from normal text)?
...'
The magic is the \e[0;31m (turn on red foreground) and \e[0m (turn off character attributes). These are called escape sequences. Different escape sequences give you different results, from absolute cursor positioning, to color, to being able to change the title bar of your window, and so on.
Fo...
Populating a ListView using an ArrayList?
...; arg0, View v,int position, long arg3)
{
String selectedmovie=movies.get(position);
Toast.makeText(getApplicationContext(), "Movie Selected : "+selectedmovie, Toast.LENGTH_LONG).show();
}
});
}
void getmovies()
{
mov...
querySelector, wildcard element match?
Is there a way to do a wildcard element name match using querySelector or querySelectorAll ? I see support for wildcards in attribute queries but not for the elements themselves.
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jQuery UI Dialog - missing close icon
... fix it manually with some dom manipulation on the Dialog Open event:
$("#selector").dialog({
open: function() {
$(this).closest(".ui-dialog")
.find(".ui-dialog-titlebar-close")
.removeClass("ui-dialog-titlebar-close")
.html("<span class='ui-button-icon-primar...
Adding additional data to select options using jQuery
...
HTML Markup
<select id="select">
<option value="1" data-foo="dogs">this</option>
<option value="2" data-foo="cats">that</option>
<option value="3" data-foo="gerbils">other</option>
</select&...
Dump a mysql database to a plaintext (CSV) backup from the command line
... separated) files which can import into Excel, etc, quite easily:
% echo 'SELECT * FROM table' | mysql -B -uxxx -pyyy database
Alternatively, if you've got direct access to the server's file system, use SELECT INTO OUTFILE which can generate real CSV files:
SELECT * INTO OUTFILE 'table.csv'
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