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Java Timestamp - How can I create a Timestamp with the date 23/09/2007?
...milliseconds. Use the static method valueOf if you want to get a timestamp from a string.
– Hazok
Dec 16 '14 at 1:59
4
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NameError: name 'reduce' is not defined in Python
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You can add
from functools import reduce
before you use the reduce.
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Is there any way to put malicious code into a regular expression?
...uby, ...) talks about ways that most modern NFAs, which all seem to derive from Henry Spencer’s code, suffer severe performance degradation, but where a Thompson‐style NFA has no such problems.
If you only admit patterns that can be solved by DFAs, you can compile them up as such, and they will...
How to get the home directory in Python?
...nt to use os.path.expanduser.
This will ensure it works on all platforms:
from os.path import expanduser
home = expanduser("~")
If you're on Python 3.5+ you can use pathlib.Path.home():
from pathlib import Path
home = str(Path.home())
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How to determine whether a Pandas Column contains a particular value
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Starting from pandas 0.24.0 , using s.values and df.values is highly discoraged. See this. Also, s.values is actually much slower in some cases.
– Qusai Alothman
Feb 1 '19 at 7:09
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C-like structures in Python
...ou might run into later as well. Your fragment above would be written as:
from collections import namedtuple
MyStruct = namedtuple("MyStruct", "field1 field2 field3")
The newly created type can be used like this:
m = MyStruct("foo", "bar", "baz")
You can also use named arguments:
m = MyStruct...
clang error: unknown argument: '-mno-fused-madd' (python package installation failure)
... the issue with system CPython.
This is caused by the latest clang update from Apple that came with Xcode 5.1 today and is affecting many, many people, so hopefully a fix will appear soon.
Update: Did not expect this to get so much attention, but here's more detail: the clang 3.4 Apple is shipping...
What's the main difference between int.Parse() and Convert.ToInt32
...er in string format), you'd use Int32.Parse().
If you're collecting input from a user, you'd generally use Int32.TryParse(), since it allows you more fine-grained control over the situation when the user enters invalid input.
Convert.ToInt32() takes an object as its argument. (See Chris S's answe...
PHP convert XML to JSON
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Json & Array from XML in 3 lines:
$xml = simplexml_load_string($xml_string);
$json = json_encode($xml);
$array = json_decode($json,TRUE);
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Spring Boot not serving static content
.... Looking at org.springframework.boot.autoconfigure.web.ResourceProperties from v1.3.0.RELEASE, I see a field staticLocations that can be configured in the application.properties. Here's a snippet from the source:
/**
* Locations of static resources. Defaults to classpath:[/META-INF/resources/,
*...