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How to convert ‘false’ to 0 and ‘true’ to 1 in Python
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Although it's probably what the OP wanted, it doesn't exactly match the question as asked for python 2.7. They explicitly asked for it to work on type unicode and did not specify the behaviour for type str.
– wim
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How to add a custom Ribbon tab using VBA?
...mageMso: This is the image that will display on the button. "HappyFace" is what you will see at the moment. You can download more image ID's here.
onAction="Callback": "Callback" is the name of the procedure which runs when you click on the button.
Demo
With that, let's create 2 buttons and call...
How do I sort a dictionary by value?
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print(w, d[w])
I am writing this detailed explanation to illustrate what people often mean by "I can easily sort a dictionary by key, but how do I sort by value" - and I think the original post was trying to address such an issue. And the solution is to do sort of list of the keys, based on t...
Retaining file permissions with Git
...at those hook scripts are doing exact same work as git-cache-meta. Go see what I mean: gist.github.com/andris9/1978266. They are parsing and storing return from git ls-files.
– pauljohn32
Aug 30 '16 at 23:02
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How do RVM and rbenv actually work?
...alent to rbenv exec ruby -e "puts 42".
The rbenv exec command figures out what version of Ruby you want to use, then runs the corresponding command for that version. Here's how:
If the RBENV_VERSION environment variable is set, its value determines the version of Ruby to use.
If the current worki...
How do I sort an NSMutableArray with custom objects in it?
What I want to do seems pretty simple, but I can't find any answers on the web. I have an NSMutableArray of objects, and let's say they are 'Person' objects. I want to sort the NSMutableArray by Person.birthDate which is an NSDate .
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How to set transform origin in SVG
.... I tried replacing the instance of "view" with "mainGrid" with no effect. What am I missing? Thanks!
– sakeferret
Jul 18 '19 at 21:37
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dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
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Since dplyr 0.8 group_by gained the .drop argument that does just what you asked for:
df = data.frame(a=rep(1:3,4), b=rep(1:2,6))
df$b = factor(df$b, levels=1:3)
df %>%
group_by(b, .drop=FALSE) %>%
summarise(count_a=length(a))
#> # A tibble: 3 x 2
#> b count_a
#>...
Possible to do a MySQL foreign key to one of two possible tables?
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What you're describing is called Polymorphic Associations. That is, the "foreign key" column contains an id value that must exist in one of a set of target tables. Typically the target tables are related in some way, such a...
How can I wait for a thread to finish with .NET?
...AThread - however this blocks your message pump and isn't recommended from what I've read.
3. Fire an event
See this page by Jon Skeet about events and multi-threading. It's possible that an event can become unsubcribed between the if and the EventName(this,EventArgs.Empty) - it's happened to me be...