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When is localStorage cleared?
...ternatives to
cookies include techniques involving query strings, hidden form
fields, flash based local shared objects, etc. Each with their own set
of problems related to security, ease of use, size restrictions etc.
So up until now we have been using pretty bad ways of storing data on
th...
Hidden features of mod_rewrite
...file. if you have access to httpd.conf, placing rules here will offer a performance benefit (as the rules are processed once, as opposed to each time the .htaccess file is called).
Logging mod_rewrite requests
Logging may be enabled from within the httpd.conf file (including <Virtual Host>):...
Adding an arbitrary line to a matplotlib plot in ipython notebook
...ation lines' as the OP was seeking. The annotate() function allows several forms of connecting paths and a headless and tailess arrow, i.e., a simple line, is one of them.
ax.annotate("",
xy=(0.2, 0.2), xycoords='data',
xytext=(0.8, 0.8), textcoords='data',
arro...
Java Generics (Wildcards)
...
In general,
If a structure contains elements with a type of the form ? extends E, we can get elements out of the structure, but we cannot put
elements into the structure
List<Integer> ints = new ArrayList<Integer>();
ints.add(1);
ints.add(2);
List<? extends Number> n...
C/C++ with GCC: Statically add resource files to executable/library
... control and patches sensibly
It is portable and well defined on every platform
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python pandas: apply a function with arguments to a series
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
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Default function arguments in Rust
... in the future.
So I wrote a proc_macro duang to implement it in the macro form.
For example:
duang! ( fn add(a: i32 = 1, b: i32 = 2) -> i32 { a + b } );
fn main() {
assert_eq!(add!(b=3, a=4), 7);
assert_eq!(add!(6), 8);
assert_eq!(add(4,5), 9);
}
...
Principal component analysis in Python
...methods use the current value.
Methods:
The methods of class PCA transform vectors or arrays of e.g.
20 variables, 2 principal components and 1000 observations,
using partial matrices U' d' Vt', parts of the full U d Vt:
A ~ U' . d' . Vt' where e.g.
U' is 1000 x 2
d'...
How to handle AccessViolationException
...Exception and see if that lets you catch it.
**EDIT*
Here is some more information that might be useful (it's a long read).
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How do I fix the Visual Studio compile error, “mismatch between processor architecture”?
...|Configuration Manager menu item.
Find your project in the list, under Platform it will say "Any CPU"
Select the "Any CPU" option from the drop down and then select <New..>
From that dialog, select x86 from the "New Platform" drop down and make sure "Any CPU" is selected in the "Copy settings ...