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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...
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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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...
Is it possible to set private property via reflection?
Can I set a private property via reflection?
5 Answers
5
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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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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...
Git: which is the default configured remote for branch?
...is the "default configured remote for your current branch" ? And how do I set it?
4 Answers
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How to make child process die after parent exits?
... deliver SIGHUP (or other signal) when parent dies by specifying option PR_SET_PDEATHSIG in prctl() syscall like this:
prctl(PR_SET_PDEATHSIG, SIGHUP);
See man 2 prctl for details.
Edit: This is Linux-only
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Set a DateTime database field to “Now”
In VB.net code, I create requests with SQL parameters. It I set a DateTime parameter to the value DateTime.Now, what will my request look like ?
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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...