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postgresql return 0 if returned value is null
...LESCE(value [, ...])
The COALESCE function returns the first of its arguments that is not null.
Null is returned only if all arguments are null. It is often
used to substitute a default value for null values when data is
retrieved for display.
Edit
Here's an example of COALESCE with your qu...
How to install GCC piece by piece with GMP, MPFR, MPC, ELF, without shared libraries?
..., various flags, and more:
http://www.acsu.buffalo.edu/~charngda/cc_build.html
Updates
The ppl libraries can be used for memory optimizations: see bugseng.com/products/ppl/Download (Thanks Paul in comments)
You could run ./contrib/download_prerequisites from the gcc source directory. (Thanks to...
Formatting a number with leading zeros in PHP [duplicate]
...eros for numbers less than 2 digits. Great for making a timezone SELECT in HTML.
– Volomike
Aug 8 '16 at 4:22
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How to disable breadcrumbs in Eclipse
...tp://loadcontext.blogspot.com/2008/08/eclipse-34-breadcrumbs-hide-and-show.html?
Customize Perspective, choose the
Commands tab. In the Available command
group, choose Java Editor
Presentation. The Toolbar details
shows the button for Toggle
Breadcrumbs, which looks like a folder
wit...
@class vs. #import
It is to my understanding that one should use a forward-class declaration in the event ClassA needs to include a ClassB header, and ClassB needs to include a ClassA header to avoid any circular inclusions. I also understand that an #import is a simple ifndef so that an include only happens once....
What does the 'Z' mean in Unix timestamp '120314170138Z'?
I have an X.509 certificate which has the following 2 timestamps:
2 Answers
2
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How to cherry pick a range of commits and merge into another branch?
...
When it comes to a range of commits, cherry-picking is was not practical.
As mentioned below by Keith Kim, Git 1.7.2+ introduced the ability to cherry-pick a range of commits (but you still need to be aware of the consequence of cherry...
Specify format for input arguments argparse python
I have a python script that requires some command line inputs and I am using argparse for parsing them. I found the documentation a bit confusing and couldn't find a way to check for a format in the input parameters. What I mean by checking format is explained with this example script:
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How do I move the turtle in LOGO? [closed]
...amples taken directly from website: http://gaza.freehosting.net/logo/index.html
share
edited Feb 6 '12 at 1:42
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How do you search for files containing DOS line endings (CRLF) with grep on Linux?
...ant to search for files containing DOS line endings with grep on Linux. Something like this:
9 Answers
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