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Comparing numbers in Bash
I'm starting to learn about writing scripts for the bash terminal, but I can't work out how to get the comparisons to work properly. The script I'm using is:
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Get the IP address of the remote host
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It's possible to do that, but not very discoverable - you need to use the property bag from the incoming request, and the property you need to access depends on whether you're using the Web API under IIS (webhosted) or self-h...
Find and replace strings in vim on multiple lines
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The :&& command repeats the last substitution with the same flags. You can supply the additional range(s) to it (and concatenate as many as you like):
:6,10s/<search_string>/<replace_string>/g | 14,18&&
If you have many ranges though, I'd r...
Convert absolute path into relative path given a current directory using Bash
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edited Jul 9 '17 at 21:35
Vladimir Panteleev
23.6k66 gold badges6464 silver badges105105 bronze badges
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What are valid values for the id attribute in HTML?
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For HTML 4, the answer is technically:
ID and NAME tokens must begin with a letter ([A-Za-z]) and may be followed by any number of letters, digits ([0-9]), hyphens ("-"), underscores ("_"), colons (":"), and periods (".").
HTML 5 is even more permissive, saying only that an id must contain at...
Is there a CSS selector by class prefix?
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It's not doable with CSS2.1, but it is possible with CSS3 attribute substring-matching selectors (which are supported in IE7+):
div[class^="status-"], div[class*=" status-"]
Notice the space character in the second attribu...
MySQL select where column is not empty
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Compare value of phone2 with empty string:
select phone, phone2
from jewishyellow.users
where phone like '813%' and phone2<>''
Note that NULL value is interpreted as false.
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How can I catch a 404?
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can I get the NUMBER out somehow from the objects without making my own lookup list? I would like to have something like: int httpresponsecode = HttpStatusCode.ToInt() or similar so I get 404
– BerggreenDK
Apr 12 '11 at 14:42
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How do I test a camera in the iPhone simulator?
Is there any way to test the iPhone camera in the simulator without having to deploy on a device? This seems awfully tedious.
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How to embed a SWF file in an HTML page?
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The best approach to embed a SWF into an HTML page is to use SWFObject.
It is a simple open-source JavaScript library that is easy-to-use and standards-friendly method to embed Flash content.
It also offers Flash player version detection. If the user does not have the version of Flash required o...