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How to create a custom attribute in C#
...1}\" must always have \"{4}\" characters.")]
public string Code { get; set; }
From the snippet above, one might guess that the code will always be validated, whenever changed, accordingly to the rules of the Validator (in the example, have at least 8 characters and at most 8 characters). But t...
How do I configure Notepad++ to use spaces instead of tabs?
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Go to the Preferences menu command under menu Settings, and select Language Menu/Tab Settings, depending on your version. Earlier versions use Tab Settings. Later versions use Language. Click the Replace with space check box. Set the size to 4.
See documentation: http...
Setting href attribute at runtime
What is the best way to set the href attribute of the <a> tag at run time using jQuery?
5 Answers
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CSS Box Shadow Bottom Only [duplicate]
...ox-shadow: 0 4px 2px -2px gray;
It's actually much simpler, whatever you set the blur to (3rd value), set the spread (4th value) to the negative of it.
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How to detect READ_COMMITTED_SNAPSHOT is enabled?
...er is there a way to detect whether a database has had its isolation level set via the T-SQL command ALTER DATABASE <database> SET READ_COMMITTED_SNAPSHOT ON;
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What's the most efficient way to erase duplicates and sort a vector?
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I agree with R. Pate and Todd Gardner; a std::set might be a good idea here. Even if you're stuck using vectors, if you have enough duplicates, you might be better off creating a set to do the dirty work.
Let's compare three approaches:
Just using vector, sort + uniqu...
Is it possible to set private property via reflection?
Can I set a private property via reflection?
5 Answers
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How to read and write INI file with Python3?
...l = config.getfloat('section_a', 'pi_val')
# update existing value
config.set('section_a', 'string_val', 'world')
# add a new section and some values
config.add_section('section_b')
config.set('section_b', 'meal_val', 'spam')
config.set('section_b', 'not_found_val', '404')
# save to a file
with o...
javascript set a variable if undefined
...undefined but also null, false, 0, NaN, "" (but not "0").
If you want to set to default only if the variable is strictly undefined then the safest way is to write:
var x = (typeof x === 'undefined') ? your_default_value : x;
On newer browsers it's actually safe to write:
var x = (x === undefin...
Gray out image with CSS?
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Does it have to be gray? You could just set the opacity of the image lower (to dull it). Alternatively, you could create a <div> overlay and set that to be gray (change the alpha to get the effect).
html:
<div id="wrapper">
<img id="myImage" s...