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How do I print the type of a variable in Rust?
... fn type_name() -> String {
mut_if!(res = String::from(stringify!($name)), $($($T)*)*);
$(
res.push('<');
$(
res.push_str(&$T::type_name());
res.push(',');
...
How do I remove packages installed with Python's easy_install?
...d to rm -rf the egg (it might be a directory) and remove the matching line from site-packages/easy-install.pth
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Implementing slicing in __getitem__
...:
if isinstance( key, slice ) :
#Get the start, stop, and step from the slice
return [self[ii] for ii in xrange(*key.indices(len(self)))]
elif isinstance( key, int ) :
if key < 0 : #Handle negative indices
key += len( self )
if key < 0 or key...
How do I use Ruby for shell scripting?
...ch/of/strings'
__FILE__ #=> the name of the current file
Also useful from the stdlib is FileUtils
require 'fileutils' #I know, no underscore is not ruby-like
include FileUtils
# Gives you access (without prepending by 'FileUtils.') to
cd(dir, options)
cd(dir, options) {|dir| .... }
pwd()
mkdi...
Android “Only the original thread that created a view hierarchy can touch its views.”
... to modify the UI, and the above code worked, but I had call runOnUiThread from the Activity object. I had to do something like myActivityObject.runOnUiThread(etc)
– Kirby
Feb 17 '12 at 21:27
...
Correctly determine if date string is a valid date in that format
I'm receiving a date string from an API, and it is formatted as yyyy-mm-dd .
16 Answers
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Are there any Java method ordering conventions? [closed]
..., and then all the private ones - that means it's easy to separate the API from the implementation, even when there's no interface involved, if you see what I mean.
Another idea is to group related methods together - this makes it easier to spot seams where you could split your existing large class...
FirstOrDefault: Default value other than null
...
From the documentation for FirstOrDefault
[Returns] default(TSource) if source is empty;
From the documentation for default(T):
the default keyword, which will return null for reference types and zero for numeric va...
How to round an image with Glide library?
...Drawables. They are transitiondrawables and glidedrawables which crossfade from the placeholder to the real image. The RoundedBitmapDrawable cannot handle that.
– Greg Ennis
Apr 22 '16 at 14:31
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Can I get “&&” or “-and” to work in PowerShell?
...is:
(build) -and (run_tests)
It has the same logic, but the output text from the commands is lost. Maybe it is good enough for you, though.
If you're doing this in a script, you will probably be better off separating the statements, like this:
build
if ($?) {
run_tests
}
2019/11/27: The ...