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fs: how do I locate a parent folder?
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why? just generally why? can someone please explain?
– eyurdakul
May 16 '17 at 15:12
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Limit ggplot2 axes without removing data (outside limits): zoom
... be thrown away, as they are constraining the data. For a true zoom (keep all the data), you need to set the limits inside of the Cartesian coordinate system (or other coordinate systems https://ggplot2.tidyverse.org/reference/#section-coordinate-systems). For more see: http://docs.ggplot2.org/cur...
How are strings passed in .NET?
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A reference is passed; however, it's not technically passed by reference. This is a subtle, but very important distinction. Consider the following code:
void DoSomething(string strLocal)
{
strLocal = "local";
}
void Main()
{
string strMain = "main";
DoSomething...
Read password from stdin
...s is what I just cooked up (wouldn't be surprised if you find similar code all over the place, though):
import getpass
def login():
user = input("Username [%s]: " % getpass.getuser())
if not user:
user = getpass.getuser()
pprompt = lambda: (getpass.getpass(), getpass.getpass('...
Remove multiple keys from Map in efficient way?
...s you want to remove, you can use the keySet method and map.keySet().removeAll(keySet);.
keySet returns a Set view of the keys contained in this map. The set is backed by the map, so changes to the map are reflected in the set, and vice-versa.
Contrived example:
Map<String, String> map ...
Get a filtered list of files in a directory
...t a list of files in a directory using Python, but I do not want a list of ALL the files.
14 Answers
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Where do you store your salt strings?
...ght about a salt per user I was thinking that a single salt would work for all users. What about a salt that is stored as an XML file that is loaded by the App Server? or maybe somehow hardcoded into a servlet?
– jigzat
Jul 25 '12 at 2:58
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How to add a WiX custom action that happens only on uninstall (via MSI)?
I would like to modify an MSI installer (created through WiX ) to delete an entire directory on uninstall.
6 Answers
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How do I find a list of Homebrew's installable packages?
Recently I installed Brew . How can I retrieve a list of available brew packages to install?
3 Answers
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Most Pythonic way to provide global configuration variables in config.py? [closed]
...a few years old, but I'm a beginner and I think this config file is essentially what I am looking for (maybe too advanced), and I would like to understand it better. Do I just pass initialize ConfigHolder with a dict of configs I'd like to set and pass between modules?
– Jinx
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