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Set a default parameter value for a JavaScript function
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@SiPlus and you got extra reference errors for free of charge while trying to use undefined objects :p Even while it may work with some browsers and might be faster, null is still an object and undefined is reference to primitive type that is trying to tell that there is nothing ...
jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)
...'');
});
This immediately lets the user know that they can't enter alpha characters, etc. rather than later during the validation phase.
You'll still want to validate because the input might be filled in by cutting and pasting with the mouse or possibly by a form autocompleter that may not trigg...
Eclipse: How do you change the highlight color of the currently selected method/expression?
...from the Annotation types list.
Then, be sure that Text as highlighted is selected, then choose the desired color.
And, a picture is worth a thousand words...
(source: coobird.net)
(source: coobird.net)
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psql - save results of command to a file
...peruser privileges and will write to a file on the server.
Example: COPY (SELECT foo, bar FROM baz) TO '/tmp/query.csv' (format csv, delimiter ';')
Creates a CSV file with ';' as the field separator.
As always, see the documentation for details
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How to run an EXE file in PowerShell with parameters with spaces and quotes
...eed to quote parameter/argument pairs that contain spaces and/or quotation chars. When you invoke an EXE file like this with complex command line arguments it is usually very helpful to have a tool that will show you how PowerShell sends the arguments to the EXE file. The PowerShell Community Extens...
Using boolean values in C
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Why use int for bool? That's wasteful. Use unsigned char. Or use C's builtin _Bool.
– user12211554
May 19 at 21:30
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mysql :: insert into table, data from another table?
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INSERT INTO action_2_members (campaign_id, mobile, vote, vote_date)
SELECT campaign_id, from_number, received_msg, date_received
FROM `received_txts`
WHERE `campaign_id` = '8'
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INNER JOIN ON vs WHERE clause
...ed is a cartesian product of the tables to which a filter is applied which selects only those rows with joining columns matching.
It's easier to see this with the WHERE syntax.
As for your example, in MySQL (and in SQL generally) these two queries are synonyms.
Also note that MySQL also has a STR...
How to execute raw SQL in Flask-SQLAlchemy app
...xecute("<sql here>")
or:
from sqlalchemy import text
sql = text('select name from penguins')
result = db.engine.execute(sql)
names = [row[0] for row in result]
print names
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How do I autoindent in Netbeans?
...s -> Keymap, then look for the action called "Re-indent current line or selection" and set whatever shortcut you want.
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