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Python JSON serialize a Decimal object
...plejson.dumps(decimal.Decimal('2.2')) also works: no explicit use_decimal (tested on simplejson/3.6.0). Another way to load it back is: json.loads(s, parse_float=Decimal) i.e., you can read it using stdlib json (and old simplejson versions are also supported).
– jfs
...
How to calculate a logistic sigmoid function in Python?
...rt math
def sigmoid(x):
return 1 / (1 + math.exp(-x))
And now you can test it by calling:
>>> sigmoid(0.458)
0.61253961344091512
Update: Note that the above was mainly intended as a straight one-to-one translation of the given expression into Python code. It is not tested or known t...
How do you count the lines of code in a Visual Studio solution?
...e would count, instead of 18 actual non-blank lines:
public class Test
{
/// <summary>
/// Do Stuff
/// </summary>
public Test()
{
TestMe();
}
public void TestMe()
...
How to compile for Windows on Linux with gcc/g++?
...ike:
i586-mingw32msvc-g++ -o myApp.exe myApp.cpp
You'll sometimes want to test the new Windows application directly in Linux. You can use wine for that, although you should always keep in mind that wine could have bugs. This means that you might not be sure that a bug is in wine, your program, or b...
Deleting queues in RabbitMQ
...json' and provide the vhost and queue name:
I.E. Using curl with a vhost 'test' and queue name 'testqueue':
$ curl -i -u guest:guest -H "content-type:application/json" -XDELETE http://localhost:15672/api/queues/test/testqueue
HTTP/1.1 204 No Content
Server: MochiWeb/1.1 WebMachine/1.9.0 (someone h...
UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c
...d ' " " which is inch. 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...
Eclipse hangs on loading workbench
...ven better effect.
Here is a script for MacOS (using Macports) and Linux (tested on Ubuntu with Eclipse
Equinox) to do the start with an an optional kill of the running eclipse. You might want to adapt the script to your needs. If you add new platforms please edit the script right in this answer.
...
Get environment variable value in Dockerfile
...VAR=${MYVAR}
EOF
... then in the Dockerfile
ADD build /build
RUN /build/test.sh
where test.sh loads MYVAR from env.sh
#!/bin/bash
. /build/env.sh
echo $MYVAR > /tmp/testfile
share
|
improv...
AngularJS : The correct way of binding to a service properties
...me or make the code any more maintainable nor readable. It won't even make testing easier since robust tests in angular usually test the resulting DOM anyway. Rather, in a directive demand your data API in object form, and favor using just the $watchers created by ng-bind.
Example
http://plnkr.co...
How to trim white spaces of array values in php
... array_map('trimData', $data);
}else return trim($data);
}
one sample test is like this:
$arr=[" aaa ", " b ", "m ", [" .e ", " 12 3", "9 0 0 0 "]];
print_r(trimData($arr));
//RESULT
//Array ( [0] => aaa [1] => b [2] => m [3] => Array ( [0] => .e [1] => 12 3 [2]...