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How to convert Set to String[]?
...
From Java 7 we can use String[] GPXFILES1 = myset.toArray(new String[0]) and that's recommended. Update the answer. "Since late updates of OpenJDK 6 this call was intrinsified, making the performance of the empty array versi...
What is the purpose of the '@' symbol in CSS?
...how styles are applied.
Some code examples:
/* Import another stylesheet from within a stylesheet */
@import url(style2.css);
/* Apply this style only for printing */
@media print {
body {
color: #000;
background: #fff;
}
}
/* Embed a custom web font */
@font-face {
f...
What does GitHub for Windows' “sync” do?
... git pull --rebase and then if there are local changes, it does git push.
From here: http://haacked.com/archive/2012/05/21/introducing-github-for-windows.aspx#87318
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“unary operator expected” error in Bash if condition
...the variable expansion and the variable is undefined or empty, it vanishes from the scene of the crime, leaving only
if [ = "and" ];
which is not a valid syntax. (It would also fail with a different error message if $aug1 included white space or shell metacharacters.)
The modern [[ operator has...
How to color the Git console?
...
As noted by @VonC, color.ui defaults to auto since Git 1.8.4
From the Unix & Linux Stackexchange question How to colorize output of git? and the answer by @Evgeny:
git config --global color.ui auto
The color.ui is a meta configuration that includes all the various color.* con...
Best way to clear a PHP array's values
...f you want something more powerful use unset since it also will clear $foo from the symbol table, if you need the array later on just instantiate it again.
unset($foo); // $foo is gone
$foo = array(); // $foo is here again
...
TypeError: not all arguments converted during string formatting python
...ng to pass in a tuple into the string format method.
I found the solution from this question/answer
Copying and pasting the correct answer from the link (NOT MY WORK):
>>> thetuple = (1, 2, 3)
>>> print "this is a tuple: %s" % (thetuple,)
this is a tuple: (1, 2, 3)
Making a...
What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...an *. Specifically:
$@ "[e]xpands to the positional parameters, starting from one. When the expansion occurs within double quotes, each parameter expands to a separate word."
In an array, "[i]f the word is double-quoted, ${name[*]} expands to a single word with the value of each array member separ...
How to diff a commit with its parent?
Aside from writing an alias or script, is there a shorter command for getting the diff for a particular commit?
8 Answers
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What is the difference in maven between dependency and plugin tags in pom xml?
...ring the build and they should be configured in the <build/> element from the POM.
Reporting plugins will be executed during the site generation and they should be configured in the <reporting/> element from the POM.
According to the maven goal specified in the command line (for exa...