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'UserControl' constructor with parameters in C#
...er way, you ensure that the parameterless ctor is never called.
I haven't tested this so if it falls over I apologise!
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Is there a way to auto expand objects in Chrome Dev Tools?
...
Testing this is in OSX chrome 46, it expands all the prototype object too, which makes it as bad as having to click on every arrow. Instead, you have to find the properties (hasOwn) in the middle of 50 prototype methods, pro...
jQuery validate: How to add a rule for regular expression validation?
...r re = new RegExp(regexp);
return this.optional(element) || re.test(value);
},
"Please check your input."
);
now all you need to do to validate against any regex is this:
$("#Textbox").rules("add", { regex: "^[a-zA-Z'.\\s]{1,40}$" })
Additionally, it looks like there...
Version number comparison in Python
...e same approach as Pär Wieslander, but a bit more compact:
Here are some tests, thanks to "How to compare two strings in dot separated version format in Bash?":
assert mycmp("1", "1") == 0
assert mycmp("2.1", "2.2") < 0
assert mycmp("3.0.4.10", "3.0.4.2") > 0
assert mycmp("4.08", "4.08.01")...
Direct casting vs 'as' operator?
...'t a string, s is set to null, which is handy if you're unsure and want to test s:
string s = o as string;
if ( s == null )
{
// well that's not good!
gotoPlanB();
}
However, if you don't perform that test, you'll use s later and have a NullReferenceException thrown. These tend to be more...
HTML-encoding lost when attribute read from input field
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Based on the escape templatetag in Django, which I guess is heavily used/tested already, I made this function which does what's needed.
It's arguably simpler (and possibly faster) than any of the workarounds for the whitespace-stripping issue - and it encodes quote marks, which is essential if yo...
Bash: infinite sleep (infinite blocking)
...ndow manager using /usr/bin/mywm . Now, if I kill my WM (in order to f.e. test some other WM), X will terminate too because the .xinitrc script reached EOF.
So I added this at the end of my .xinitrc :
...
What is the best way to remove accents (normalize) in a Python unicode string?
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@Jabba: , 'utf8' is a "safety net" needed if you are testing input in terminal (which by default does not use unicode). But usually you don't have to add it, since if you're removing accents then input_str is very likely to be utf8 already. It doesn't hurt to be safe, though.
...
Retrieving the last record in each group - MySQL
...l popular SQL implementations. With this standard syntax, we can write greatest-n-per-group queries:
WITH ranked_messages AS (
SELECT m.*, ROW_NUMBER() OVER (PARTITION BY name ORDER BY id DESC) AS rn
FROM messages AS m
)
SELECT * FROM ranked_messages WHERE rn = 1;
Below is the original answer...
python setup.py uninstall
..., but this may in some rare cases fail.
Here is real sample from my local test with package named ttr.rdstmc on MS Windows.
$ pip freeze |grep ttr
ttr.aws.s3==0.1.1dev
ttr.aws.utils.s3==0.3.0
ttr.utcutils==0.1.1dev
$ python setup.py develop
.....
.....
Finished processing dependencies for ttr.rds...