大约有 740 项符合查询结果（耗时：0.0086秒） [XML]
UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c
...nch. I did 2 things to figure out. a) df = pd.read_csv('test.csv', n_rows=10000). This worked perfectly without the engine. So i incremented the n_rows to figure out which row had error. b) df = pd.read_csv('test.csv', engine='python') . This worked and i printed the errored row using df.iloc[361...
How can I benchmark JavaScript code? [closed]
...eatures, but it is really easy to use. This bench(function(){return 1/2;}, 10000, [], this) will calculate 1/2 10,000 times.
/**
* Figure out how long it takes for a method to execute.
*
* @param {Function} method to test
* @param {number} iterations number of executions.
* @param {Array} ar...
Inline functions vs Preprocessor macros
...can also introduce extra work load, consider max(fibonacci(100), factorial(10000)) the larger one will get calculated twice :(
– watashiSHUN
Dec 31 '17 at 4:32
...
CSS horizontal centering of a fixed div?
... max-width: 100%; /* Make it fit window if under 500px */
z-index: 10000; /* Whatever needed to force to front (1 might do) */
}
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node.js, socket.io with SSL
...require('socket.io').listen(secureServer,{pingTimeout: 7000, pingInterval: 10000});
io.set("transports", ["xhr-polling","websocket","polling", "htmlfile"]);
secureServer.listen(3000);
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Numpy argsort - what is it doing?
...[78]: x = np.random.random(10**2)
In [81]: %timeit using_argsort_twice(x)
100000 loops, best of 3: 3.45 µs per loop
In [79]: %timeit using_indexed_assignment(x)
100000 loops, best of 3: 4.78 µs per loop
In [80]: %timeit using_rankdata(x)
100000 loops, best of 3: 19 µs per loop
In [82]: %timei...
how can I Update top 100 records in sql server
... @Martin Smith: Let's say you want to update in batches, say 10000 at a time. Seems like a good use for this, and order doesn't matter. How does this "not make sense"?
– Jay Sullivan
May 5 '14 at 21:14
...
Extract subset of key-value pairs from Python dictionary object?
...3.1-5)] on linux2
import numpy.random as nprnd
...: keys = nprnd.randint(100000, size=10000)
...: bigdict = dict([(_, nprnd.rand()) for _ in range(100000)])
...:
...: %timeit {key:bigdict[key] for key in keys}
...: %timeit dict((key, bigdict[key]) for key in keys)
...: %timeit dict(map(...
How to use JNDI DataSource provided by Tomcat in Spring?
..."pankaj123"
maxActive="100"
maxIdle="20"
minIdle="5"
maxWait="10000"/>
back to context.xml de spring add this
<ResourceLink name="jdbc/MyLocalDB"
global="jdbc/TestDB"
auth="Container"
type="javax.sql.DataSource" />
if, like ...
Convert special characters to HTML in Javascript
...DFFF) {
return ((code - 0xD800) * 0x400) + (next - 0xDC00) + 0x10000;
}
return code;
};
}
/**
* Encodes special html characters
* @param string
* @return {*}
*/
function html_encode(string) {
var ret_val = '';
for (var i = 0; i < string.length; i++) { ...