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Using column alias in WHERE clause of MySQL query produces an error
...lumn value may not yet have been determined.
(from MySQL documentation). What you can do is calculate the column value in the WHERE clause, save the value in a variable, and use it in the field list. For example you could do this:
SELECT `users`.`first_name`, `users`.`last_name`, `users`.`email`,...
Java: How to test methods that call System.exit()?
...ggests:
Why System.exit() ?
Instead of terminating with System.exit(whateverValue), why not throw an unchecked exception? In normal use it will drift all the way out to the JVM's last-ditch catcher and shut your script down (unless you decide to catch it somewhere along the way, which might b...
Getting the name of a variable as a string
...e objects are created so they may not always be particularly trustworthy.
What you want to do is not possible without recursively walking the tree of named objects; a name is a one-way reference to an object. A common or garden-variety Python object contains no references to its names. Imagine if e...
How can I get the application's path in a .NET console application?
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@usr What makes you think that BaseDirectory can be set at runtime? It only has a getter.
– bitbonk
Aug 6 '15 at 14:43
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Naming “class” and “id” HTML attributes - dashes vs. underlines [closed]
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What about BEM notation?
– Iulian Onofrei
Jul 30 '14 at 7:18
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How can I run dos2unix on an entire directory? [closed]
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In my case it is exactly what I needed thanks a lot. Features that are welcome are the easy way to process a directory tree and the fast execution time.
– AlSavi
Mar 10 at 17:10
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Move the most recent commit(s) to a new branch with Git
...t):
You want to go back to C, and move D and E to the new branch. Here's what it looks like at first:
A-B-C-D-E (HEAD)
↑
master
After git branch newBranch:
newBranch
↓
A-B-C-D-E (HEAD)
↑
master
After git reset --hard HEAD~2:
newBranch
...
How to use php serialize() and unserialize()
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ur explanation seems to be approaching to what i expected. can u please have a look at my edit?
– Istiaque Ahmed
Dec 27 '11 at 7:05
1
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What is a bank conflict? (Doing Cuda/OpenCL programming)
...reading the programming guide for CUDA and OpenCL, and I cannot figure out what a bank conflict is. They just sort of dive into how to solve the problem without elaborating on the subject itself. Can anybody help me understand it? I have no preference if the help is in the context of CUDA/OpenCL or ...
Order of items in classes: Fields, Properties, Constructors, Methods
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This is an old but still very relevant question, so I'll add this: What's the first thing you look for when you open up a class file that you may or may not have read before? Fields? Properties? I've realized from experience that almost invariably I go hunting for the constructors, because t...