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How can I index a MATLAB array returned by a function without first assigning it to a local variable
...3, 3); % Use the function to index the matrix
However, when all is said and done the temporary local variable solution is much more readable, and definitely what I would suggest.
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How do I set the value property in AngularJS' ng-options?
...This syntax is kind of an extended version of Python's list comprehensions and knowing that helps me to remember the syntax very easily. It's something like this:
Python code:
my_list = [x**2 for x in [1, 2, 3, 4, 5]]
> [1, 4, 9, 16, 25]
# Let people to be a list of person instances
my_list2 =...
Which CheckedListBox event triggers after a item is checked?
... // The collection is about to be emptied: there's just one item checked, and it's being unchecked at this moment
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else
// The collection will not be empty once this click is handled
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}
sh...
jQuery - Detect value change on hidden input field
...is really change or not. if ($('#userid').val() != myVaule) { // set val() and trigger change }
– nnattawat
Nov 19 '15 at 0:37
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How to specify a editor to open crontab file? “export EDITOR=vi” does not work
I'm using Red Hat Enterprise Linux 5, and I want to set the vim editor to edit the crontab file.
8 Answers
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Usage of sys.stdout.flush() method
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Python's standard out is buffered (meaning that it collects some of the data "written" to standard out before it writes it to the terminal). Calling sys.stdout.flush() forces it to "flush" the buffer, meaning that it will write everythi...
How to git bundle a complete repo
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The synopsis for create command is git bundle create <file> <git-rev-list-args>. Running man git-rev-list (or man git-log) would give you --all. But I agree that it should be more visible in the bundle command documentation.
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Rotating x axis labels in R for barplot
...I'm guessing there's an easier way. But you could suppress the bar labels and the plot text of the labels by saving the bar positions from barplot and do a little tweaking up and down. Here's an example with the mtcars data set:
x <- barplot(table(mtcars$cyl), xaxt="n")
labs <- paste(names(...
“npm config set registry https://registry.npmjs.org/” is not working in windows bat file
...modify the .npmrc file which is the configuration for npm.
The correct command for changing registry is
npm config set registry <registry url>
you can find more information with npm help config command, also check for privileges when and if you are running .bat files this way.
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Check whether a variable is a string in Ruby
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I think you are looking for instance_of?. is_a? and kind_of? will return true for instances from derived classes.
class X < String
end
foo = X.new
foo.is_a? String # true
foo.kind_of? String # true
foo.instance_of? String # false
foo.instance_of? X ...