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What is the correct MIME type to use for an RSS feed?
Is one MIME type preferable to ensure compatibility with RSS readers and other scrapers?
7 Answers
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What causes javac to issue the “uses unchecked or unsafe operations” warning
...switch, it will give you more detailed information.
As well as the use of raw types (as described by the other answers), an unchecked cast can also cause the warning.
Once you've compiled with -Xlint, you should be able to rework your code to avoid the warning. This is not always possible, partic...
What is the theoretical maximum number of open TCP connections that a modern Linux box can have
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If you used a raw socket (SOCK_RAW) and re-implemented TCP in userland, I think the answer is limited in this case only by the number of (local address, source port, destination address, destination port) tuples (~2^64 per local address).
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How do I clone a generic List in Java?
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You should avoid using raw types in anything but legacy code. You're better off using ArrayList<String> newArrayList = (ArrayList<String>) oldArrayList.clone();.
– cdmckay
Mar 1 '09 at 3:34
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What does PHP keyword 'var' do?
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It's for declaring class member variables in PHP4, and is no longer needed. It will work in PHP5, but will raise an E_STRICT warning in PHP from version 5.0.0 up to version 5.1.2, as of when it was deprecated. Since PHP 5.3, var has been un-deprecated and is a synonym for 'pu...
How to set the id attribute of a HTML element dynamically with angularjs (1.x)?
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The ng-attr-id method is to ensure that the raw ng expression is never rendered in a valid HTML attribute (e.g. id, label, etc). This is to stop any downstream usage reading ng 'junk' (e.g. before render is complete, or after a js crash)
– Overfle...
How does grep run so fast?
...actually looks at (and it skips many
bytes entirely).
GNU grep uses raw Unix input system calls and avoids copying data
after reading it. Moreover, GNU grep AVOIDS BREAKING THE INPUT INTO
LINES. Looking for newlines would slow grep down by a factor of
several times, because to find th...
How to put attributes via XElement
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Is it possible to build a list or array of xAttr and add them all at once?
– greg
Apr 17 '19 at 16:27
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“Parser Error Message: Could not load type” in Global.asax
I'm working on an MVC3 project and receive the following error:
35 Answers
35
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Difference between single quotes and double quotes in Javascript [duplicate]
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Only if you're writing RAW JSON. If you're writing a Javascript object, {key: 'value'} works exactly the same as {"key": "value"} and is a lot quicker to type.
– Orwellophile
Jun 16 '15 at 12:21
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