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Unknown Column In Where Clause
...is evaluated backwards, from right to left. So the where clause is parsed and evaluate prior to the select clause. Because of this the aliasing of u_name to user_name has not yet occurred.
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How do I specify a password to 'psql' non-interactively?
I am trying to automate database creation process with a shell script and one thing I've hit a road block with passing a password to psql .
Here is a bit of code from the shell script:
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val() vs. text() for textarea
I am using jQuery, and wondering if I should use val() or text() (or another method) to read and update the content of a textarea.
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How to change the href for a hyperlink using jQuery
...elector though. For instance, if you have a mix of link source (hyperlink) and link target (a.k.a. "anchor") anchor tags:
<a name="MyLinks"></a>
<a href="http://www.codeproject.com/">The CodeProject</a>
...Then you probably don't want to accidentally add href attributes to...
Why should I implement ICloneable in c#?
Can you explain to me why I should inherit from ICloneable and implement the Clone() method?
4 Answers
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Git: “please tell me who you are” error
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I spend on it lots hours when i call php script to init and commit git.
And i Found the work flow should Be:
1.git init
2.git config user.name "someone"
3.git config user.email "someone@someplace.com"
4.git add *
5.git commit -m "some init msg"
If you swap [23] and 1, the confi...
What do the parentheses around a function name mean?
...essary parentheses around function names is when there are both a function and a function-like macro with the same name, and the programmer wants to prevent macro expansion.
This practice may seem a little odd at first, but the C library sets a precedent by providing some macros and functions with ...
Delete all records in a table of MYSQL in phpMyAdmin
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Go to your db -> structure and do empty in required table.
See here:
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Run JavaScript code on window close or page refresh?
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There is both window.onbeforeunload and window.onunload, which are used differently depending on the browser. You can assing them either by setting the window properties to functions, or using the .addEventListener:
window.onbeforeunload = function(){
// Do...
Plotting time in Python with Matplotlib
I have an array of timestamps in the format (HH:MM:SS.mmmmmm) and another array of floating point numbers, each corresponding to a value in the timestamp array.
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