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Android and setting width and height programmatically in dp units
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You'll have to convert it from dps to pixels using the display scale factor.
final float scale = getContext().getResources().getDisplayMetrics().density;
int pixels = (int) (dps * scale + 0.5f);
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Bootstrap Modal immediately disappearing
.... Depending on the platform you are using, the modal code could be loaded from a number a sources. Some of the common ones are:
bootstrap.js (the full BootStrap JS suite)
bootstrap.min.js (same as above, just minified)
bootstrap-modal.js (the standalone plugin)
a dependency loader, e.g., require...
How do I make and use a Queue in Objective-C?
...ay (QueueAdditions)
// Queues are first-in-first-out, so we remove objects from the head
- (id) dequeue {
// if ([self count] == 0) return nil; // to avoid raising exception (Quinn)
id headObject = [self objectAtIndex:0];
if (headObject != nil) {
[[headObject retain] autorelease]...
ActiveRecord: List columns in table from console
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This will list the column_names from a table
Model.column_names
e.g. User.column_names
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java.net.ConnectException: localhost/127.0.0.1:8080 - Connection refused
I am using xampp apache server to serve resources to the application from my machine. But i am getting the above error.
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How to refresh app upon shaking the device?
...ensorManager mSensorManager;
private float mAccel; // acceleration apart from gravity
private float mAccelCurrent; // current acceleration including gravity
private float mAccelLast; // last acceleration including gravity
private final SensorEventListener mSensorListener = new SensorEventLi...
How to generate and validate a software license key?
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Caveat: you can't prevent users from pirating, but only make it easier for honest users to do the right thing.
Assuming you don't want to do a special build for each user, then:
Generate yourself a secret key for the product
Take the user's name
Concaten...
Creating .pem file for APNS?
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Here is what I did, From:blog.boxedice.com and "iPhone Advanced Projects" chapter 10 byJoe Pezzillo.
With the aps_developer_identity.cer in the keychain:
Launch Keychain Access from your local Mac and from the login keychain, filter by the Ce...
How can I pass arguments to a batch file?
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I think shift "pops" the argument from the list. The assumption by OP was that %* would only output the remaining arguments, but it doesn't work that way, as @Joey said.
– NathanAldenSr
Jun 8 '16 at 13:00
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What is an OS kernel ? How does it differ from an operating system? [closed]
...ams, which is surrounded by the "shell" of the seed that is what users see from the outside.
Some people want to tie "kernel" (and, indeed, "shell") down to be more specific than that. But in truth there's a lot of variation across operating systems. Not the least these variations is what constit...