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Sequence contains no matching element
...hrowing the exception:
var documentRow = _dsACL.Documents.First(o => o.ID == id)
First() will throw an exception if it can't find any matching elements. Given that you're testing for null immediately afterwards, it sounds like you want FirstOrDefault(), which returns the default value for the ...
Redirect all output to file [duplicate]
I know that in Linux, to redirect output from the screen to a file, I can either use the > or tee . However, I'm not sure why part of the output is still output to the screen and not written to the file.
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Unittest setUp/tearDown for several tests
... are run, respectively. Alternatively, if you have a group of them in one file, you can use setUpModule and tearDownModule (documentation).
Otherwise your best bet is probably going to be to create your own derived TestSuite and override run(). All other calls would be handled by the parent, and ...
How can I recover a removed file in Mercurial (if at all)?
Accidentally, by using a GUI as opposed to CLI, I removed every file in a Mercurial project.
9 Answers
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Get encoding of a file in Windows
...and line or Windows tool (Windows 7) to get the current encoding of a text file? Sure I can write a little C# app but I wanted to know if there is something already built in?
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git ignore vim temporary files
What is the correct way to make git ignore temporary files produced by vim in all directories (either globally across the system or locally for a single project)?
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python: how to send mail with TO, CC and BCC?
...s we'll need
from email.message import EmailMessage
# Open the plain text file whose name is in textfile for reading.
with open(textfile) as fp:
# Create a text/plain message
msg = EmailMessage()
msg.set_content(fp.read())
# me == the sender's email address
# you == the recipient's ema...
Intellij IDEA. Hide .iml files
I use Intellij IDEA 12 and I want to hide .iml files in Project view. How I can achieve this?
8 Answers
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Database Design for Tagging
...ke it will suit the situation well. However, I'm not convinced it's a good idea to implement bitmap indexing "manually", like digiguru suggests: It sounds like a complicated situation whenever new tags are added(?) But some DBMSes (including Oracle) offer bitmap indexes which may somehow be of use, ...
How to empty (“truncate”) a file on linux that already exists and is protected in someway?
I have a file called error.log on my server that I need to frequently truncate. I have rw permissions for the file. Opening the file in vi > deleting all content > saving works (obviously). But when I try the below
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