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Entity framework code-first null foreign key
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@TravisJ user.Country returns null then... either catch the exception (optimal) or use if (eww)
– SparK
Feb 12 '14 at 18:13
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IISExpress Log File Location
IISExpress writes log and configuration data to pre-determined location out of the box.
3 Answers
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express throws error as `body-parser deprecated undefined extended`
...se(bodyParser.urlencoded({ extended: true }));
Since express 4.16.0, you can also do:
app.use(express.urlencoded({ extended: true }))
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Getting an empty JQuery object
...ty jQuery-object:
$([])
Update:
In newer versions of jQuery (1.4+), you can use:
$()
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Can I use an OR in regex without capturing what's enclosed?
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Depending on the regular expression implementation you can use so called non-capturing groups with the syntax (?:…):
((?:a|b)c)
Here (?:a|b) is a group but you cannot reference its match. So you can only reference the match of ((?:a|b)c) that is either ac or bc.
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Getting pids from ps -ef |grep keyword
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You can use pgrep as long as you include the -f options. That makes pgrep match keywords in the whole command (including arguments) instead of just the process name.
pgrep -f keyword
From the man page:
-f The patt...
jquery how to empty input field
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You can clear the input field by using $('#shares').val('');
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str performance in python
... to 3.2 ), I discovered that the
str method to convert an object (in my case an integer) to a string is almost an order of magnitude slower than using string formatting.
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Setting environment variables for accessing in PHP when using Apache
I have a Linux environment and I have a PHP Web Application that conditionally runs based on environment variables using getenv in PHP. I need to know how these environment variables need to be set for the application to work correctly. I am not sure how to set this up on Apache.
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What is the difference between double-ampersand (&&) and semicolon (;) in Linux Bash?
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@CharlieParker & causes the command to be run in the background, so yes. "Run this in the background" is very different from "run this next command only if this other one succeeds."
– cdhowie
Jan 18 '17...