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CMake not able to find OpenSSL library
...for me on Ubuntu 14.04.1 LTS. The solution is the same up to Ubuntu 18.04 (tested).
sudo apt-get install libssl-dev
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Get pandas.read_csv to read empty values as empty string instead of nan
...e it's missing this flag. For this example, you could use pandas.read_csv('test.csv',na_values=['nan'], keep_default_na=False).
– Michael Delgado
Sep 30 '15 at 20:17
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Why does Python code run faster in a function?
...to PyPy, up to the current version (1.8 at the time of this writing.) The test code from the OP runs about four times slower in global scope compared to inside a function.
– GDorn
Jun 28 '12 at 17:17
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express.js - single routing handler for multiple routes in a single line
...ks in Express 3.x. Here's an example of something to try:
app.get(
['/test', '/alternative', '/barcus*', '/farcus/:farcus/', '/hoop(|la|lapoo|lul)/poo'],
function ( request, response ) {
}
);
From inside the request object, with a path of /hooplul/poo?bandle=froo&bandle=pee&b...
Fast stable sorting algorithm implementation in javascript
... instead of making in-place sort like the built-in Array.sort() function.
Test
If we take the following input array, initially sorted by weight:
// sorted by weight
var input = [
{ height: 100, weight: 80 },
{ height: 90, weight: 90 },
{ height: 70, weight: 95 },
{ height: 100, weight: 10...
How to add a custom loglevel to Python's logging facility
... to those already mentioned which appears a little cleaner to me. This was tested on 3.4, so I'm not sure whether the methods used exist in older versions:
from logging import getLoggerClass, addLevelName, setLoggerClass, NOTSET
VERBOSE = 5
class MyLogger(getLoggerClass()):
def __init__(self,...
Java OCR implementation [closed]
...
We have tested a few OCR engines with Java like Tesseract,Asprise, Abbyy etc. In our analysis, Abbyy gave the best results.
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iOS 7 sizeWithAttributes: replacement for sizeWithFont:constrainedToSize
...ngRect(
with: CGSize(width: width, height: CGFloat.greatestFiniteMagnitude),
options: NSStringDrawingOptions.usesLineFragmentOrigin,
attributes: attributes as [NSAttributedString.Key : Any], context: nil)
...
Set timeout for ajax (jQuery)
...ad the $.ajax documentation, this is a covered topic.
$.ajax({
url: "test.html",
error: function(){
// will fire when timeout is reached
},
success: function(){
//do something
},
timeout: 3000 // sets timeout to 3 seconds
});
You can get see what type of e...
Difference between Hive internal tables and external tables?
...HDFS server.
As an example if you create an external table called “table_test” in HIVE using HIVE-QL and link the table to file “file”, then deleting “table_test” from HIVE will not delete “file” from HDFS.
External table files are accessible to anyone who has access to HDFS file st...