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How to set a selected option of a dropdown list control using angular JS
... a selected option of a dropdown list control using angular JS. Forgive me if this is ridiculous but I am new with Angular JS
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Recommended way to stop a Gradle build
...ered something invalid, or GradleScriptException for more general errors.
If you want to stop the current task or action, and move on to the next, you can also throw a StopActionException
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How to get a number of random elements from an array?
...ew Array(n),
len = arr.length,
taken = new Array(len);
if (n > len)
throw new RangeError("getRandom: more elements taken than available");
while (n--) {
var x = Math.floor(Math.random() * len);
result[n] = arr[x in taken ? taken[x] : x];
tak...
In Clojure, when should I use a vector over a list, and the other way around?
...de" "generating back-to-front" -> means precisely?? I am really having difficulty with this question because in my book laziness + declarative style = far better performance, and yet vectors are suggested everywhere in Clojure which leaves me totally confused.
– Jimmy Hoffa
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Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?
...a map will be constructed, and once it is initialized, it will never be modified again. It will however, be accessed (via get(key) only) from multiple threads. Is it safe to use a java.util.HashMap in this way?
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How default .equals and .hashCode will work for my classes?
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Yes, the default implementation is Object's (generally speaking; if you inherit from a class that redefined equals and/or hashCode, then you'll use that implementation instead).
From the documentation:
equals
The equals method for class Object implements the most discriminating possi...
Convert Rows to columns using 'Pivot' in SQL Server
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If you are using SQL Server 2005+, then you can use the PIVOT function to transform the data from rows into columns.
It sounds like you will need to use dynamic sql if the weeks are unknown but it is easier to see the correc...
How do I set the size of Emacs' window?
...
If you want to change the size according to resolution you can do something like this (adjusting the preferred width and resolutions according to your specific needs):
(defun set-frame-size-according-to-resolution ()
(inte...
Use of alloc init instead of new
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There are a bunch of reasons here: http://macresearch.org/difference-between-alloc-init-and-new
Some selected ones are:
new doesn't support custom initializers (like initWithString)
alloc-init is more explicit than new
General opinion seems to be that you should use whatever you...
Regular expression to return text between parenthesis
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If your problem is really just this simple, you don't need regex:
s[s.find("(")+1:s.find(")")]
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