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Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
...01 00:00:00
1 NaT
2 2013-01-02 09:30:00
dtype: datetime64[ns]``
In [26]: pd.isnull(s)
Out[26]:
0 False
1 True
2 False
dtype: bool
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How to set JVM parameters for Junit Unit Tests?
...l only run with sufficient heap-space, and will be run internally on Win 7 64-bit machines - so redesigning the tests isn't a practical suggestion.)
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How to replace an entire line in a text file by line number
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chepnerchepner
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Is it good practice to use java.lang.String.intern()?
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A third disadvantage: interned Strings live in PermGen space, which is usually quite small; you may run into an OutOfMemoryError with plent...
How to convert SSH keypairs generated using PuTTYgen (Windows) into key-pairs used by ssh-agent and
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Newer versions of PuTTYgen (mine is 0.64) are able to show the OpenSSH public key to be pasted in the linux system in the .ssh/authorized_keys file, as shown in the following image:
sha...
Check if a JavaScript string is a URL
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It returns true for aaa.
– alex naumov
Dec 1 '16 at 9:13
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How to enable CORS in AngularJs
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I had a similar problem and for me it boiled down to adding the following HTTP headers at the r...
Notification when a file changes?
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That would be System.IO.FileSystemWatcher.
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Serialize an object to string
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Serialize and Deserialize (XML/JSON):
public static T XmlDeserialize<T>(this string ...
Magic number in boost::hash_combine
... Because Python's floating point number doesn't have enough precision, the 64-bit golden ratios above are not correct. The actual result should be 0x9e3779b97f4a7c15.
– kennytm
Nov 27 '15 at 15:08
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