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Exception handling in R [closed]
Does anyone have examples/tutorials of exception handling in R? The official documentation is very terse.
5 Answers
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How to hide reference counts in VS2013?
... found that the feature is called Code Information Indicators or CodeLens, and can be located under
Tools → Options → Text Editor → All Languages → CodeLens
(for RC/final version)
or
Tools → Options → Text Editor → All Languages → Code Information Indicators
...
Android Studio Editor Font Sizing
Is there any way to make the editor text larger in Android Studio?
10 Answers
10
...
HTML5 textarea placeholder not appearing
...not appear. It seems as though it may be covered up with some blank spaces and tabs. When you focus on the text area and delete from where the cursor puts itself, then leave the text area, the proper placeholder then appears.
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Vertical line using XML drawable
...
Instead of a shape, you could try a View:
<View
android:layout_width="1dp"
android:layout_height="match_parent"
android:background="#FF0000FF" />
I have only used this for horizontal lines, but I would think it would work for vertical lines as well.
Use:
<Vi...
com.jcraft.jsch.JSchException: UnknownHostKey
...
I would either:
Try to ssh from the command line and accept the public key (the host will be added to ~/.ssh/known_hosts and everything should then work fine from Jsch) -OR-
Configure JSch to not use "StrictHostKeyChecking" (this introduces insecurities and should ...
How to replace an item in an array with Javascript?
... 5346];
You can also use the ~ operator if you are into terse JavaScript and want to shorten the -1 comparison:
var index = items.indexOf(3452);
if (~index) {
items[index] = 1010;
}
Sometimes I even like to write a contains function to abstract this check and make it easier to understand w...
Javascript: How to loop through ALL DOM elements on a page?
... answered Nov 23 '10 at 13:15
Andy EAndy E
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How to cherry pick a range of commits and merge into another branch?
...t cherry-pick" learned to pick a range of commits
(e.g. "cherry-pick A..B" and "cherry-pick --stdin"), so did "git revert"; these do not support the nicer sequencing control "rebase [-i]" has, though.
damian comments and warns us:
In the "cherry-pick A..B" form, A should be older than B.
If they'r...
What is the purpose and use of **kwargs?
...x when calling functions by constructing a dictionary of keyword arguments and passing it to your function:
>>> kwargs = {'first_name': 'Bobby', 'last_name': 'Smith'}
>>> print_keyword_args(**kwargs)
first_name = Bobby
last_name = Smith
The Python Tutorial contains a good explan...