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Generate a random number in the range 1 - 10
...not work out, I'm trying something else now. Is there a way to tell pg's random() function to get me only numbers between 1 and 10?
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Case-insensitive search in Rails model
... edited Aug 13 '15 at 20:41
Andrew Marshall
87.3k1818 gold badges202202 silver badges204204 bronze badges
answered Feb 8 '10 at 9:35
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Listening for variable changes in JavaScript
... is an old thread but now this effect is possible using accessors (getters and setters): https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Working_with_Objects#Defining_getters_and_setters
You can define an object like this, in which aInternal represents the field a:
x = {
aInternal:...
Razor comment syntax
... In visual studio, select some code/markup in your razor view and press Ctrl+K, Ctrl+C, and it'll comment the selection as described above.
– MrBoJangles
Feb 17 '11 at 18:12
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iPhone hide Navigation Bar only on first page
I have the code below that hides and shows the navigational bar. It is hidden when the first view loads and then hidden when the "children" get called. Trouble is that I cannot find the event/action to trigger it to hide again when they get back to the root view....
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StringBuilder vs String concatenation in toString() in Java
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Version 1 is preferable because it is shorter and the compiler will in fact turn it into version 2 - no performance difference whatsoever.
More importantly given we have only 3
properties it might not make a
difference, but at what point do you
switch from conc...
How to apply multiple styles in WPF
...xists on the base class of the element that I want to apply two styles to. And, in the second style which is based on the base style, I set another property.
So, the idea here ... is if you can somehow separate the properties that you want to set ... according the inheritance hierarchy of the eleme...
Android - startActivityForResult immediately triggering onActivityResult
... in my app using the call startActivityForResult(intent, ACTIVITY_TYPE) , and they are all working but one.
13 Answers
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What does %~d0 mean in a Windows batch file?
...h to the bat-file itself, %1 is the first argument after, %2 is the second and so on.
Since the arguments are often file paths, there is some additional syntax to extract parts of the path. ~d is drive, ~p is the path (without drive), ~n is the file name. They can be combined so ~dp is drive+path.
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How to check if a string “StartsWith” another string?
...h.
Once you've shimmed the method (or if you're only supporting browsers and JavaScript engines that already have it), you can use it like this:
"Hello World!".startsWith("He"); // true
var haystack = "Hello world";
var prefix = 'orl';
haystack.startsWith(prefix); // false
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