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Retrieve the maximum length of a VARCHAR column in SQL Server
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Use the built-in functions for length and max on the description column:
SELECT MAX(LEN(DESC)) FROM table_name;
Note that if your table is very large, there can be performance issues.
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How to rsync only a specific list of files?
...'re looking for a specific list of files, putting them directly on the command line instead:
# rsync -avP -e ssh `cat deploy/rsync_include.txt` root@0.0.0.0:/var/www/
This is assuming, however, that your list isn't so long that the command line length will be a problem and that the rsync_include....
What is the best algorithm for overriding GetHashCode?
...he implementation given in Josh Bloch's fabulous Effective Java. It's fast and creates a pretty good hash which is unlikely to cause collisions. Pick two different prime numbers, e.g. 17 and 23, and do:
public override int GetHashCode()
{
unchecked // Overflow is fine, just wrap
{
i...
How do I find an element that contains specific text in Selenium Webdriver (Python)?
...omplicated javascript interface with Selenium (using the Python interface, and across multiple browsers). I have a number of buttons of the form:
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Get a random item from a JavaScript array [duplicate]
How do I get random item from items ?
13 Answers
13
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Requests — how to tell if you're getting a 404
I'm using the Requests library and accessing a website to gather data from it with the following code:
1 Answer
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Handler “ExtensionlessUrlHandler-Integrated-4.0” has a bad module “ManagedPipelineHandler” in its mo
To be honest, I've tried to turn a dirty trick on IIS and just when I thought that I was going to get away with it, I realized my workaround doesn't work. Here's what I've tried to do:
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How to read a file line-by-line into a list?
How do I read every line of a file in Python and store each line as an element in a list?
28 Answers
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Difference between IsNullOrEmpty and IsNullOrWhiteSpace in C# [duplicate]
What are differences between these commands in C#
8 Answers
8
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Programmatically get the version number of a DLL
...ble (you can't unload it without killing the domain), requires permissions and is liable to cause side effects, such as executing beforefieldinit type initializers, and is just not required in this case. Are these reasons sound enough?
– staafl
Oct 10 '13 at 15...