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How to duplicate virtualenv
...e. A requirements file is basically a file that contains a list of all the python packages you want to install (or have already installed in case of file generated by pip), and what versions they're at.
To generate a requirements file, go into your original virtualenv, and run:
pip freeze > req...
How to find encoding of a file via script on Linux?
...
However, if the file is an xml file, with the attribute "encoding='iso-8859-1' in the xml declaration, the file command will say it's an iso file, even if the true encoding is utf-8...
– Per
Sep 11 '12 at 7:37
...
Can I multiply strings in Java to repeat sequences? [duplicate]
...lang package. Assuming you're using maven, add this dependency to your pom.xml:
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.4</version>
</dependency>
And then use Stri...
Is there any difference between “foo is None” and “foo == None”?
... a special builtin method that determines how == is handled when used on a Python object. Here we have overridden it so that when == is used on objects of type Foo it always returns true. There isn't an equivalent method for the is operator and so the behaviour of is cannot be changed in the same wa...
Find which version of package is installed with pip
...w Jinja2
---
Name: Jinja2
Version: 2.7.3
Location: /path/to/virtualenv/lib/python2.7/site-packages
Requires: markupsafe
In older versions, pip freeze and grep should do the job nicely.
$ pip freeze | grep Jinja2
Jinja2==2.7.3
...
What is the difference between `sorted(list)` vs `list.sort()`?
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In general, when a python function returns None, it is a sign, that the operations are done in place, that's why, when you want to print list.sort() it returns None.
– user1767754
Nov 19 '17 at 9:34
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How exactly does a generator comprehension work?
...ne question here. I used next(gen_name) to get the result and it worked in Python 3. Is there any specific scenario where we need to use __next__()?
– Ankit Vashistha
May 30 '18 at 6:12
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Android: Last line of textview cut off
...D); in the if statement above, and remove android:ellipsize="end" from the XML which for some reason breaks it.
– NeilS
Jul 1 '17 at 21:34
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LINQPad [extension] methods [closed]
...te the CSV to avoid caching it in memory.
If you want to output a table in XML format rather than as comma-separated file, you can do it like:
var xmlFile=Util.CurrentQueryPath.Replace(".linq", ".xml");
var xml = XElement.Load(xmlFile);
var query =
from e in xml.Elements()
where e.Attribute("at...
java.lang.OutOfMemoryError: Java heap space in Maven
... Do you update the <configuration> tag only within your parent pom.xml?
– Kevin Meredith
Sep 21 '12 at 16:16
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