大约有 3,000 项符合查询结果（耗时：0.0140秒） [XML]
jQuery AJAX submit form
...edited Jul 11 at 21:52
Jean-François Fabre♦
122k1111 gold badges9797 silver badges156156 bronze badges
answered Aug 5 '11 at 17:57
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Can I draw rectangle in XML?
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Yes you can and here is one I made earlier:
<?xml version="1.0" encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/listview_background_shape">
<stroke android:width="2dp" android:color="#ff207d94" />
<paddin...
What is more efficient? Using pow to square or just multiply it with itself?
...lliseconds>(std::chrono::high_resolution_clock::now() - from).count() * 1.0e-6;
}
private:
std::chrono::high_resolution_clock::time_point from;
};
int main (int argc, char* argv[])
{
double total;
Timer timer;
total = 0.0;
timer.start();
for (double i = 0.0; i < 1.0; i...
apc vs eaccelerator vs xcache
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APC
http://pecl.php.net/package/apc
dev dev 2013-09-12
3.1.14 beta 2013-01-02
3.1.9 stable 2011-05-14
Xcache
http://xcache.lighttpd.net/
dev/3.2 dev 2013-12-13
dev/3.1 dev 2013-11-05
3.1.0 stable 2013-10-10
3.0.4 st...
Is there a JSON equivalent of XQuery/XPath?
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(6 years on) Saxon will run XQuery 3.1, which queries JSON. My Saxon experience is using the jar file run by java. There is a node module named saxon-java but I am not sure how that works w/json. And there is another new thing from Saxonica called Saxon-JS.
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Autoreload of modules in IPython [duplicate]
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For IPython version 3.1, 4.x, and 5.x
%load_ext autoreload
%autoreload 2
Then your module will be auto-reloaded by default. This is the doc:
File: ...my/python/path/lib/python2.7/site-packages/IPython/extensions/autoreload.py
Docstrin...
Random / noise functions for GLSL
...es yields 0.0, all ones yields the next smallest representable value below 1.0.
float floatConstruct( uint m ) {
const uint ieeeMantissa = 0x007FFFFFu; // binary32 mantissa bitmask
const uint ieeeOne = 0x3F800000u; // 1.0 in IEEE binary32
m &= ieeeMantissa; ...
How do I sort a dictionary by value?
...d list of tuples kills the order again...
– Jean-François Fabre♦
Nov 25 '19 at 20:37
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show 6 more comments
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Why doesn't C have unsigned floats?
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C99 supports complex numbers, and a type generic form of sqrt, so sqrt( 1.0 * I) will be negative.
The commentors highlighted a slight gloss above, in that I was referring to the type-generic sqrt macro rather than the function, and it will return a scalar floating point value by truncation of...
How can I match on an attribute that contains a certain string?
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Note also, in XPath 3.1 this can be simplified to //*[tokenize(@class)=$classname]
– Michael Kay
Apr 18 '18 at 7:42
1
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