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What is the difference between gravity and layout_gravity in Android?
...e gravity of the View or Layout relative to its parent.
And an example is here.
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Convert a string to an enum in C#
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In .NET Core and .NET >4 there is a generic parse method:
Enum.TryParse("Active", out StatusEnum myStatus);
This also includes C#7's new inline out variables, so this does the try-parse, conversion to the explicit enum type and initialises+populates the...
Why can tuples contain mutable items?
If a tuple is immutable then why can it contain mutable items?
8 Answers
8
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erb, haml or slim: which one do you suggest? And why? [closed]
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ERB is good mainly if you have a web designer that will work on plain HTML and does not know either haml or slim. This way he can write HTML and you can embed ruby logic with the proper tags.
If you work on both HTML and ruby lo...
How to copy text from Emacs to another application on Linux
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Let's be careful with our definitions here
An Emacs copy is the command kill-ring-save (usually bound to M-w).
A system copy is what you typically get from pressing C-c (or choosing "Edit->Copy" in a application window).
An X copy is "physically" highlighting text with the mouse...
Removing index column in pandas when reading a csv
...When I set the second column to the variable "efficiency" the index column is also tacked on. How can I get rid of the index column?
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Writing files in Node.js
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There are a lot of details in the File System API. The most common way is:
const fs = require('fs');
fs.writeFile("/tmp/test", "Hey there!", function(err) {
if(err) {
return console.log(err);
}
console.log("The file was saved!");
});
// Or
fs.writeFileSync('/tmp/test-sync...
What would a “frozen dict” be?
I guess it could be something like collections.namedtuple , but that is more like a frozen-keys dict (a half-frozen dict). Isn't it?
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Python: Get relative path from comparing two absolute paths
...te paths. I need to check if the location referring to by one of the paths is a descendant of the other. If true, I need to find out the relative path of the descendant from the ancestor. What's a good way to implement this in Python? Any library that I can benefit from?
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Moving decimal places over in a double
...ould use rounding or expect to see some rounding errors. If you can't do this, use BigDecimal.
The problem you have is that 0.1 is not an exact representation, and by performing the calculation twice, you are compounding that error.
However, 100 can be represented accurately, so try:
double x = 1...