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Shell script while read line loop stops after the first line
... the target file (whose path is the input parameter to the script) and do work against each line. Now, it seems only work with the very first line in the target file and stops after that line got processed. Is there anything wrong with my script?
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Determine if a function exists in bash
...tains an init(), execute() and cleanup() functions. But they are not mandatory. I'd like to test if they are or are not defined.
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Is there a splice method for strings?
The Javascript splice only works with arrays. Is there similar method for strings? Or should I create my own custom function?
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UIActivityViewController crashing on iOS 8 iPads
... currently testing my app with Xcode 6 (Beta 6). UIActivityViewController works fine with iPhone devices and simulators but crashes with iPad simulators and devices (iOS 8) with following logs
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RVM is not a function, selecting rubies with 'rvm use …' will not work
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I did that but did not work. The problem persists . How to remove rvm completely?
– user3678471
May 30 '14 at 21:13
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Algorithm to find Largest prime factor of a number
What is the best approach to calculating the largest prime factor of a number?
27 Answers
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Finding the index of an item in a list
...gt; ["foo", "bar", "baz"].index("bar")
1
Reference: Data Structures > More on Lists
Caveats follow
Note that while this is perhaps the cleanest way to answer the question as asked, index is a rather weak component of the list API, and I can't remember the last time I used it in anger. It's been ...
How can I build XML in C#?
...very friendly. If the size is very large, then XmlWriter is your friend.
For an XDocument example:
Console.WriteLine(
new XElement("Foo",
new XAttribute("Bar", "some & value"),
new XElement("Nested", "data")));
Or the same with XmlDocument:
XmlDocument doc = new XmlDocum...
Returning a value from thread?
... a lambda expression. Assign the "return" value to this variable from the worker thread and then once that thread ends you can use it from the parent thread.
void Main()
{
object value = null; // Used to store the return value
var thread = new Thread(
() =>
{
value = "Hello Wor...
How to set variable from a SQL query?
...LS m
WHERE m.areaid = 'South Coast')
See this question for the difference between using SELECT and SET in TSQL.
Warning
If this select statement returns multiple values (bad to begin with):
When using SELECT, the variable is assigned the last value that is returned (as womp s...