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Easiest way to pass an AngularJS scope variable from directive to controller?
... I forgot where I forked this. But this is a good example showing you the difference between = and @
<div ng-controller="MyCtrl">
<h2>Parent Scope</h2>
<input ng-model="foo"> <i>// Update to see how parent scope interacts with component scope</i>
...
Convert Float to Int in Swift
I want to convert a Float to an Int in Swift. Basic casting like this does not work because these types are not primitives, unlike float s and int s in Objective-C
...
How to drop all user tables?
...PACKAGE BODY'
))
LOOP
BEGIN
IF cur_rec.object_type = 'TABLE'
THEN
EXECUTE IMMEDIATE 'DROP '
|| cur_rec.object_type
|| ' "'
|| cur_rec.object_n...
How to get current memory usage in android?
...o get.
Usually, you'd like to know the status of the heap memory, since if it uses too much memory, you get OOM and crash the app.
For this, you can check the next values:
final Runtime runtime = Runtime.getRuntime();
final long usedMemInMB=(runtime.totalMemory() - runtime.freeMemory()) / 10485...
Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
... lot of people using sprintf (which is the right thing to do), and I think if you want to do this for a string it's best to keep in mind the rjust and ljust methods:
"4".rjust(2, '0')
This will make the "4" right justified by ensuring it's at least 2 characters long and pad it with '0'. ljust doe...
Processing $http response in service
...ion (response) {
// The then function here is an opportunity to modify the response
console.log(response);
// The return value gets picked up by the then in the controller.
return response.data;
});
// Return the promise to the controller
return prom...
Printing object properties in Powershell
When working in the interactive console if I define a new object and assign some property values to it like this:
7 Answers...
What is the proper declaration of main?
.... You are not required to explicitly write a return statement in main(): if you let main() return without an explicit return statement, it's the same as if you had written return 0;. The following two main() functions have the same behavior:
int main() { }
int main() { return 0; }
There are tw...
How to list files in an android directory?
...
In order to access the files, the permissions must be given in the manifest file.
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
Try this:
String path = Environment.getExternalStorageDirectory().toString()+"/Pictures";
Log.d("Files", "Path: " + path);
File...
How can you find the height of text on an HTML canvas?
...Ascent and tmDescent returned by Win32's GetTextMetric API. This is needed if you want to do a word-wrapped run of text with spans in different fonts/sizes.
The above image was generated on a canvas in Safari, red being the top line where the canvas was told to draw the text, green being the base...