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Deleting all files in a directory with Python
...f in os.listdir(".") if f.endswith(".bak") ] - as list comprehensions are meant to be used. Or you can move the 'if' in the comprehension into the for loop - for f in os.listdir("."): if f.endswith(".bak"): os.remove(f)
– dragonjujo
Jan 3 '10 at ...
“Content is not allowed in prolog” when parsing perfectly valid XML on GAE
...tf-16'?>
Another possible scenario that causes this is when anything comes before the XML document type declaration. i.e you might have something like this in the buffer:
helloworld<?xml version="1.0" encoding="utf-8"?>
or even a space or special character.
There are some special c...
Swift: Testing optionals for nil
...ta 5, they no longer let you do:
var xyz : NSString?
if xyz {
// Do something using `xyz`.
}
This produces an error:
does not conform to protocol 'BooleanType.Protocol'
You have to use one of these forms:
if xyz != nil {
// Do something using `xyz`.
}
if let xy = xyz {
// Do som...
What's the most concise way to read query parameters in AngularJS?
I'd like to read the values of URL query parameters using AngularJS. I'm accessing the HTML with the following URL:
10 Ans...
Chrome browser reload options new feature
I found this new feature in Chrome today. When you hover over the refresh button you get this tooltip saying: "Reload this page, hold to see more options" and when I do it I get these three awesome options.
1. Normal Reload
2. Hard Reload
3. Empty Cache and Hard Reload (this is very useful option I...
Bootstrap trying to load map file. How to disable it? Do I need to do it?
...all styles are displayed as they defined in less files, which doesn't help me much.
13 Answers
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C++11 emplace_back on vector?
... this behavior will be changed in C++20.
In other words, even though implementation internally will still call T(arg0, arg1, ...) it will be considered as regular T{arg0, arg1, ...} that you would expect.
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How do I properly compare strings in C?
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the same in java,which may just compare with the address.
– Telerik
Sep 6 '14 at 16:29
29
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how to convert from int to char*?
...ad more about c++11 again. I know about the big features but this has made me realize there are probably more small ones I missed.
– jcoder
Jun 1 '12 at 10:33
1
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How to use System.Net.HttpClient to post a complex type?
...
The generic HttpRequestMessage<T> has been removed. This :
new HttpRequestMessage<Widget>(widget)
will no longer work.
Instead, from this post, the ASP.NET team has included some new calls to support this functionality:
HttpClient....