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How can I use map and receive an index as well in Scala?
Is there any List/Sequence built-in that behaves like map and provides the element's index as well?
8 Answers
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When should I make explicit use of the `this` pointer?
...re is a name ambiguity, where it can be used to disambiguate class members and local variables. However, here is a completely different case where this-> is explicitly required.
Consider the following code:
template<class T>
struct A {
int i;
};
template<class T>
struct B : A<...
SQL Switch/Case in 'where' clause
...ly below, you formed the SQL incorrectly. I tested mine in SQLServer 2005 and it worked fine.
– Bob Probst
Oct 16 '08 at 0:48
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Query an XDocument for elements by name at any depth
...= @"
<root>
<child id='1'/>
<child id='2'>
<grandchild id='3' />
<grandchild id='4' />
</child>
</root>";
XDocument doc = XDocument.Parse(xml);
foreach (XElement element in doc.Descendants("grandchild"))
{
C...
How to terminate script execution when debugging in Google Chrome?
...h
Menu → More Tools → Task Manager
You can select your page task and end it by pressing "End Process" button.
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Efficiently test if a port is open on Linux?
...mp;6
I'm using 6 as the file descriptor because 0,1,2 are stdin, stdout, and stderr. 5 is sometimes used by Bash for child processes, so 3,4,6,7,8, and 9 should be safe.
As per the comment below, to test for listening on a local server in a script:
exec 6<>/dev/tcp/127.0.0.1/445 || echo "N...
How to match “anything up until this sequence of characters” in a regular expression?
...s possible to satisfy.
When using .+?, instead of matching all at once and going back for
other conditions (if any), the engine will match the next characters by
step until the subsequent part of the regex is matched (again if any).
This is the un-greedy, meaning match the fewest possi...
Strangest language feature
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that's because a[10] means *(a+10) ... and 10[a] means *(10+a) :)
– Michel Gokan
Jan 3 '10 at 14:50
77
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how to make a specific text on TextView BOLD
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Just build your String in HTML and set it:
String sourceString = "<b>" + id + "</b> " + name;
mytextview.setText(Html.fromHtml(sourceString));
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Input from the keyboard in command line application
I am attempting to get the keyboard input for a command line app for the new Apple programming language Swift.
19 Answers
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