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Running Bash commands in Python
... This didn't do what I wanted when I needed to do a cd 'path\to\somewhere' followed by another bash command that needed to be run in that somewhere. @user225312
– AWrightIV
Mar 4 '13 at 4:32
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In Django, how do I check if a user is in a certain group?
...User.
from django.contrib.auth.models import User, Group
group = Group(name = "Editor")
group.save() # save this new group for this example
user = User.objects.get(pk = 1) # assuming, there is one initial user
user.groups.add(group) # user is now in the "Editor" group
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When is the @JsonProperty property used and what is it used for?
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Here's a good example. I use it to rename the variable because the JSON is coming from a .Net environment where properties start with an upper-case letter.
public class Parameter {
@JsonProperty("Name")
public String name;
@JsonProperty("Value")
public St...
Convert PEM to PPK file format
...ay to convert PEM files to PPK files? (you may guess that Amazon EC2 gives me a PEM file, and I need to use the PPK format for SSH connectivity).
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Converting an object to a string
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I would recommend using JSON.stringify, which converts the set of the variables in the object to a JSON string. Most modern browsers support this method natively, but for those that don't, you can include a JS version:
var obj = {
nam...
Javascript reduce() on Object
There is nice Array method reduce() to get one value from the Array. Example:
13 Answers
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Python: How to ignore an exception and proceed? [duplicate]
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except:
pass
Python docs for the pass statement
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pod install -bash: pod: command not found
I installed pod some time ago. However, it's stopped working so I'm working through this again.
21 Answers
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Html.DropdownListFor selected value not being set
... look online and have seen that it can be achieved by using the fourth parameter so like the below:
13 Answers
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How do I trim a file extension from a String in Java?
...e mundane stuff, save your brain for the hard stuff.
In this case, I recommend using FilenameUtils.removeExtension() from Apache Commons IO
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