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Windows can't find the file on subprocess.call()
... can be a security risk if you're passing arguments that may come from outside your program. To make subprocess nonetheless able to find the correct executable, you can use shutil.which. Suppose the executable in your PATH is named frob:
subprocess.call([shutil.which('frob'), arg1, arg2])
(This w...
Are single quotes allowed in HTML?
...
This is similar to When did single quotes in HTML become so popular?. Single quotes around attributes in HTML are and always have been permitted by the specification. I don't think any browsers wouldn't understand them.
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Increment a value in Postgres
...l';
If you want to make sure the current value is indeed 203 (and not accidently increase it again) you can also add another condition:
UPDATE totals
SET total = total + 1
WHERE name = 'bill'
AND total = 203;
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How to get the last element of an array in Ruby?
... Thanks for the -ve sign option its tremendus.
– vidur punj
Aug 22 '13 at 10:14
8
Also that wh...
How do I access the ModelState from within my View (aspx page)?
...onal markup on errors you can do like this: @if (!ViewData.ModelState.IsValid)
– The Muffin Man
Sep 15 '13 at 2:16
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Is there any WinSCP equivalent for linux? [closed]
...t; Connect to Server in the Menu or Network > Connect to Server in the sidebar
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XPath: How to select nodes which have no attributes?
...ode></node> <!--...and this one -->
</nodes>
See jsfiddle example here
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Comparing two CGRects
...g the == or != operators works for me:
let rect = CGRect(x: 0, y: 0, width: 20, height: 20)
if rect != CGRect(x: 0, y: 0, width: 20, height: 21) {
print("not equal")
}
if rect == CGRect(x: 0, y: 0, width: 20, height: 20) {
print("equal")
}
debug console print...
What is choice_set in this Django app tutorial?
... the same model and need to distinguish them, you can choose your own overriding name using the related_name argument to ForeignKey.
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go to character in vim
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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