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Use dynamic (variable) string as regex pattern in JavaScript
...g as regex:
Not every string is a valid regex, though: there are some speciall characters, like ( or [. To work around this issue, simply escape the string before turning it into a regex. A utility function for that goes in the sample below:
function escapeRegExp(stringToGoIntoTheRegex) {
return...
Bash script plugin for Eclipse? [closed]
...a little more info on the ShellEd plugin page on the Eclipse site, and installation instructions on their wiki.
Note that if you're not running an up-to-date version of Eclipse (as of this writing, Juno) you'll need to use an older version, for instance 2.0.1 is compatible with Indigo.
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How do I flush the cin buffer?
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@Nic - of course, this tells the code to ignore ALL characters until the amount specified. In the main example, it will ignore essentially until EOF (because INT_MAX is huge). As mentioned in the post, if you just want to ignore a single line, you need to specify an extr...
Firebug says “No Javascript on this page”, even though JavaScript does exist on the page
... 'debugger' option. See this page for a discussion on the migration. Read all the posts dated 19 November for further information.
It seems to me that the option gives less functionality but Firebug per se is never going to be fixed for Firefox 50 and beyond
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Regex select all text between tags
What is the best way to select all the text between 2 tags - ex: the text between all the 'pre' tags on the page.
17 Answe...
How can I remove all text after a character in bash?
How can I remove all text after a character, in this case a colon (":"), in bash? Can I remove the colon, too? I have no idea how to.
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Stretch and scale a CSS image in the background - with CSS only
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CSS3 has a nice little attribute called background-size:cover.
This scales the image so that the background area is completely covered by the background image while maintaining the aspect ratio. The entire area will be covered. However, part of the image may...
A regular expression to exclude a word/string
...noreme3)
You can add as much ignored words as you like, here is a simple PHP implementation:
$ignoredWords = array('ignoreme', 'ignoreme2', 'ignoreme...');
preg_match('~^/\b([a-z0-9]+)\b(?<!' . implode('|', array_map('preg_quote', $ignoredWords)) . ')~i', $string);
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Shrink a YouTube video to responsive width
...be videos or is there something that I can add to the code to make it go smaller?
10 Answers
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How to test an Internet connection with bash?
...on't get, just check page availability
$? : shell return code
0 : shell "All OK" code
Without wget
#!/bin/bash
echo -e "GET http://google.com HTTP/1.0\n\n" | nc google.com 80 > /dev/null 2>&1
if [ $? -eq 0 ]; then
echo "Online"
else
echo "Offline"
fi
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