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Why does AngularJS include an empty option in select?
...option is generated when a value referenced by ng-model doesn't exist in a set of options passed to ng-options. This happens to prevent accidental model selection: AngularJS can see that the initial model is either undefined or not in the set of options and don't want to decide model value on its ow...
How to tell whether a point is to the right or left side of a line
I have a set of points. I want to separate them into 2 distinct sets. To do this, I choose two points ( a and b ) and draw an imaginary line between them. Now I want to have all points that are left from this line in one set and those that are right from this line in the other set.
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How do I flag a method as deprecated in Objective-C 2.0?
... a method marked as depreciated. Is there a compiler flag that needs to be set?
– memmons
Sep 30 '11 at 18:07
In Xcode...
Is the != check thread safe?
...like this one.
The Java Memory Model (specified in JLS 17.4) specifies a set of preconditions under which one thread is guaranteed to see memory values written by another thread. If one thread attempts to read a variable written by another one, and those preconditions are not satisfied, then ther...
Webstorm: “Cannot Resolve Directory”
...oject, you'll need to mark that directory as a Resource. To do this, go to Settings > Directories and select your asset root folder from the right-hand panel. Then mark it as Resource Root by clicking the button above the file browser.
From the Jetbrains documentation, a Resource Root enables We...
Rails update_attributes without save?
...osh', :is_admin => true }) raises an error message and doesn't actually set the user's name property.
– Ajedi32
Sep 5 '12 at 19:50
7
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docker error: /var/run/docker.sock: no such file or directory
...ntainer.
I am on mac, installed boot2docker and have the DOCKER_HOST env set up.
11 Answers
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Does setWidth(int pixels) use dip or px?
Does setWidth(int pixels) use device independent pixel or physical pixel as unit?
For example, does setWidth(100) set the a view's width to 100 dips or 100 pxs?
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How to set time delay in javascript
...
Use setTimeout():
var delayInMilliseconds = 1000; //1 second
setTimeout(function() {
//your code to be executed after 1 second
}, delayInMilliseconds);
If you want to do it without setTimeout: Refer to this question.
...
Scatterplot with marginal histograms in ggplot2
...nd that. Here is an example of how to add marginal histograms to a random set of 1000 points. Hopefully this makes it easier to add histograms/density plots in the future.
Link to ggExtra package
library(ggplot2)
df <- data.frame(x = rnorm(1000, 50, 10), y = rnorm(1000, 50, 10))
p <- ggplot...