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How to make a Java thread wait for another thread's output?
...other (sometimes better) ways to do the above, e.g. with CountdownLatches, etc. Since Java 5 there are a lot of nifty concurrency classes in the java.util.concurrent package and sub-packages. You really need to find material online to get to know concurrency, or get a good book.
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Why should I use Google's CDN for jQuery?
...ts rather than load it from a CDN.
The reason is the latency involved in fetching jQuery on mobile devices:
"In 2012 the average RTT time on a mobile network in the United States
was 344ms. And that 344ms applies to not only every HTTP request –
which the average web page now makes 93 of ...
How can I check if a URL exists via PHP?
...returned by get_headers() are well formed.
Use curl (if you can).
Prevent fetching the entire body/content, but only request the headers.
Consider redirecting urls:
Do you want the first code returned?
Or follow all redirects and return the last code?
You might end up with a 200, but it could redire...
Best way to load module/class from lib folder in Rails 3?
... into a "static" snippet of code used in many projects or a git submodule, etc.. in which case it definitely should be in the lib folder) then perhaps its place is not in the lib folder at all. Perhaps it should be in a subfolder under the app folder· I have a feeling that this is the new rails way...
In Python, when to use a Dictionary, List or Set?
...g from zero - the first one is numbered zero, the
second 1, the third 2, etc. You can remove values from the list, and
add new values to the end. Example: Your many cats' names.
Dictionaries are similar to what their name suggests - a dictionary.
In a dictionary, you have an 'index' of wo...
symbolic link: find all files that link to this file
...by some other links... ex: A->B->foo.txt, /tmp/C->B->foo.txt, etc.
– Olivier Dulac
Nov 7 '13 at 17:31
thi...
Replace only text inside a div using jquery
...e it allows replacements without worrying about borking the markup/scripts etc.
– sehe
Nov 2 '16 at 12:02
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How can I determine the type of an HTML element in JavaScript?
...lf could be a <div> , a <form> field, a <fieldset> , etc. How can I achieve this?
4 Answers
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When to use ref and when it is not necessary in C#
...hod's probably trying to do too much. That's not always the case (TryParse etc are the canonical examples of reasonable use of out) but using ref/out should be a relative rarity.
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Formatting code snippets for blogging on Blogger [closed]
...Blogger and I frequently post code snippets in C / C# / Java / XML etc. but I find the snippet gets "mangled".
16 A...