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ping response “Request timed out.” vs “Destination Host unreachable”
... network congestion, failure of the ARP request, packet filtering, routing error, or a silent discard.
For more info Refer: http://technet.microsoft.com/en-us/library/cc940095.aspx
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How do you parse and process HTML/XML in PHP?
...DOMDocument extends the standard DOM to use exceptions at all occasions of errors instead of PHP warnings or notices. They also add various custom methods and shortcuts for convenience and to simplify the usage of DOM.
sabre/xml
sabre/xml is a library that wraps and extends the XMLReader and X...
Real escape string and PDO [duplicate]
... Piskvor, thanks. I'm already using them just not where I'm getting the errors. I just was wondering if prepare really stops injection attacks. I've heard to the contrary and there seems to be a a lot of debate over it.
– John
Sep 15 '10 at 9:43
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Why are #ifndef and #define used in C++ header files?
...ulate a form which was opened by the form to manipulate. It gaveme lots of errors and I didn't know what to do. I gave up =)
– user142019
Oct 31 '09 at 10:58
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Unable to Connect to GitHub.com For Cloning
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I had the same error because I was using proxy. As the answer is given but in case you are using proxy then please set your proxy first using these commands:
git config --global http.proxy http://proxy_username:proxy_password@proxy_ip:port
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Grouping functions (tapply, by, aggregate) and the *apply family
...so you will end up with either the exact expected output or an informative error. On the other hand, sapply will try to simplify the output following rules that aren't always obvious, and fall back to a list otherwise. For instance, try to predict the type of output this will produce: sapply(list(1:...
How to automatically indent source code?
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It may be worth noting that auto-indent does not work if there are syntax errors in the document. Get rid of the red squigglies, and THEN try CTRL+K, CTRL+D, whatever...
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How can I record a Video in my Android App.?
...his is a great example. I had some trouble getting it to work at first. My error was related to file output size of 0 bytes. I started debugging and the culprit turned out to be record.prepare(). I was not setting a new outputfile for the recorder so it was overwriting my existing video every time I...
Loop backwards using indices in Python?
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yes, PEP-322 gives us a clear and least error-prone way to reverse iterations.
– Allen Shen
Jul 31 '19 at 20:25
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Difference between virtual and abstract methods [duplicate]
...ust be call override in derived class other wise it will give compile-time error
and in virtual you may or may not override it's depend if it's good enough use it
Example:
abstract class twodshape
{
public abstract void area(); // no body in base class
}
class twodshape2 : twodshape
{
p...