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What is the proper way to check if a string is empty in Perl?
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answered Jan 11 '10 at 23:20
Greg HewgillGreg Hewgill
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How can I show hidden files (starting with period) in NERDTree?
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Ma_124
4333 silver badges1010 bronze badges
answered Feb 20 '11 at 13:50
James FassettJames Fassett
35.2...
Build.scala, % and %% symbols meaning
...%%:
val appDependencies = Seq(
"org.scala-tools" % "scala-stm_2.9.1" % "0.3"
)
Assuming the scalaVersion for your build is 2.9.1, the following is identical:
val appDependencies = Seq(
"org.scala-tools" %% "scala-stm" % "0.3"
)
As you can see above, if you use %%, you don't have to sp...
How do I pass parameters into a PHP script through a webpage?
...rg2
... and then accessing them in the script thusly:
<?php
// $argv[0] is '/path/to/wwwpublic/path/to/script.php'
$argument1 = $argv[1];
$argument2 = $argv[2];
?>
What you need to be doing when passing arguments through HTTP (accessing the script over the web) is using the query string a...
What is the status of JSR 305?
I have seen the question JSR305 vs. JSR308 (Java Type Anotations) - Which is going to be the standard? and I understand the difference between JSR 308 and JSR 305 .
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error: default argument given for parameter 1
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Rptx
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answered Mar 30 '10 at 13:56
YacobyYacoby
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What is a unix command for deleting the first N characters of a line?
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answered Jun 9 '09 at 19:06
iammichaeliammichael
7,82733 gold badges2929 silver badges4141 bronze badges
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How to undo 'git reset'?
...nd want to undo it. My reflog looks like this:
$ git reflog
3f6db14 HEAD@{0}: HEAD~: updating HEAD
d27924e HEAD@{1}: checkout: moving from d27924e0fe16776f0d0f1ee2933a0334a4787b4c
[...]
The first line says that HEAD 0 positions ago (in other words, the current position) is 3f6db14; it was obtaine...
Compare integer in bash, unary operator expected
... specifying a default value for $i if $i is blank, as follows:
if [ "${i:-0}" -ge 2 ] ; then ...
This will substitute the value 0 instead of $i is $i is undefined. I still maintain the quotes because, again, if $i is a bunch of blanks then it does not count as undefined, it will not be replaced ...
Find commit by hash SHA in Git
...ind a commit in Git by a given hash, SHA. For example, if I have the "a2c25061" hash, and I need to get the author and the committer of this commit.
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