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What are the advantages of NumPy over regular Python lists?
... single-precision floats in the cells would fit in 4 MB. Access in reading and writing items is also faster with NumPy.
Maybe you don't care that much for just a million cells, but you definitely would for a billion cells -- neither approach would fit in a 32-bit architecture, but with 64-bit build...
How to listen for a WebView finishing loading a URL?
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Extend WebViewClient and call onPageFinished() as follows:
mWebView.setWebViewClient(new WebViewClient() {
public void onPageFinished(WebView view, String url) {
// do your stuff here
}
});
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What are the rules for JavaScript's automatic semicolon insertion (ASI)?
...ing token is }.
When the end of the input stream of tokens is encountered and the parser is unable to parse the input token stream as a single complete Program, then a semicolon is automatically inserted at the end of the input stream.
e.g.:
a = b
++c
is transformed to:
a = b;
++c...
How to use the new affix plugin in twitter's bootstrap 2.1.0?
...ocs with the affix navbar: The navbar is below a paragraph / page heading, and upon scrolling down it should first scroll along until reaching the top of the page, and then stick there fixed for further scrolldowns.
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stopPropagation vs. stopImmediatePropagation
What's the difference between event.stopPropagation() and event.stopImmediatePropagation() ?
9 Answers
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client secret in OAuth 2.0
...e google drive api, I have to play with the authentication using OAuth2.0. And I got a few question about this.
3 Answers
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In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
....
@NotEmpty: The CharSequence, Collection, Map or Array object is not null and size > 0.
@NotBlank: The string is not null and the trimmed length is greater than zero.
To help you understand, let's look into how these constraints are defined and carried out (I'm using version 4.1):
The @Not...
Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...returning an Integer object, which may have its values cached between -128 and 127. This is why the first value returns true - it's cached - and the second value returns false - 128 isn't a cached value, so you're getting two separate Integer instances.
It is important to note that you are compari...
64-bit version of Boost for 64-bit windows
...As a longer answer, here are my build notes for having VS .NET 2008 32-bit and 64-bit boost libraries in the same hierarchy (which is I suspect a common use case):
Build the win32 binaries
bjam --toolset=msvc-9.0 --build-type=complete stage
Create the directory lib\win32
Move the contents of sta...
Python matplotlib multiple bars
...lotlib, when I tried to call the bar function multiple times, they overlap and as seen the below figure the highest value red can be seen only.
How can I plot the multiple bars with dates on the x-axes?
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