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How to see the CREATE VIEW code for a view in PostgreSQL?
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What would be more useful is to be able to edit the view definition code directly with some variation of the \e command, like \ef for functions. A \ev feature would be nice. So far the solution suggested by @Brain90 is the c...
In Rails - is there a rails method to convert newlines to ?
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Yes, rails has simple_format which does exactly what you are looking for, and slightly better since it also adds paragraph tags. See
http://api.rubyonrails.org/classes/ActionView/Helpers/TextHelper.html#method-i-simple_format
Example:
simple_format(mystring)
Note th...
Print text instead of value from C enum
...r program, and so they are not accessible at runtime.
The only way to get what you want is to write a function yourself that translates the enumeration value into a string. E.g. (assuming here that you move the declaration of enum Days outside of main):
const char* getDayName(enum Days day)
{
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Is there a C# case insensitive equals operator?
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I'm a relative StackOverflow newbie -- can you explain what you mean by adding a link? Do you mean to the MSDN docs?
– John Feminella
Mar 10 '09 at 16:56
58
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Check if a string is null or empty in XSLT
..., including it's pseudo-code and my own early experience with XSLT. I.e., "What is the equivalent of the following Java?":
!(categoryName == null || categoryName.equals(""))
For more details e.g., distinctly identifying null vs. empty, see johnvey's answer below and/or the XSLT 'fiddle' I've adap...
How do you change the server header returned by nginx?
...er: string is the header which
is sent back to the client to tell
them what type of http server you are
running and possibly what version.
This string is used by places like
Alexia and Netcraft to collect
statistics about how many and of what
type of web server are live on the
Intern...
Return value in a Bash function
... status (a value between 0 and 255, 0 meaning "success"). So return is not what you want.
You might want to convert your return statement to an echo statement - that way your function output could be captured using $() braces, which seems to be exactly what you want.
Here is an example:
function fun...
Make the current commit the only (initial) commit in a Git repository?
...wers to questions about git reference syntax is in the git-rev-parse docs. What's happening here is git-commit-tree requires a reference to a tree (a snapshot of the repo), but HEAD is a revision. To find the tree associated with a commit we use the <rev>^{<type>} form.
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TypeScript function overloading
...someone explained it with a nice example: Method overloading?.
Basically, what we are doing is, we are creating just one function and a number of declarations so that TypeScript doesn't give compile errors. When this code is compiled to JavaScript, the concrete function alone will be visible. As a ...
How to write file if parent folder doesn't exist?
.... Otherwise it creates all missing directories for you.
This module does what you want: https://npmjs.org/package/writefile . Got it when googling for "writefile mkdirp". This module returns a promise instead of taking a callback, so be sure to read some introduction to promises first. It might ac...