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Why are we not to throw these exceptions?

... Exception is the base type for all exceptions, and as such terribly unspecific. You shouldn’t ever throw this exception because it simply does not contain any useful information. Calling code catching for exceptions couldn’t disambiguate the intentiona...
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How do I check that a number is float or integer?

...00% incorrect. The values null, empty string, 1.0 and numerous others will all register incorrectly as integers (even with the === check). – whoblitz Sep 11 '13 at 2:59 ...
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Install specific git commit with pip

...jango app and I'm using pip to manage my requirements. How can I do to install a specific git's commit? 4 Answers ...
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:first-child not working as expected

I'm trying to select the first h1 inside a div with a class called detail_container . It works if h1 is the first element within this div , but if it comes after this ul it won't work. ...
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Why can't I use background image and color together?

...ou set the background-color and background-image styles. If the image is smaller than the element, you need to use the background-position style to place it to the right, and to keep it from repeating and covering the entire background you use the background-repeat style: background-color: green; b...
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Including a .js file within a .js file [duplicate]

... I basically do like this, create new element and attach that to <head> var x = document.createElement('script'); x.src = 'http://example.com/test.js'; document.getElementsByTagName("head")[0].appendChild(x); You may also us...
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Prevent redirection of Xmlhttprequest

...rwriting some HTTP headers that were set in the original request. Specifically, if the "Accept" header was set to a specific content-type, Firefox fails to include this header when following the redirect (which makes it a tad more difficult to develop fully REST-based web services that use this hea...
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Is there a difference between “throw” and “throw ex”?

...w ex resets the stack trace Coming from Method 1 and propogates it to the caller(Main) throw ex; } } private static void Method1() { try { throw new Exception("Inside Method1"); } catch (Exception) { throw; } } ...
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Organizing a multiple-file Go project [closed]

...eath src, you can simply place your project mypack, and underneath that is all of your .go files including the mypack_test.go go build will then build into the root level pkg and bin. So your GOPATH might look like this: ~/projects/ bin/ pkg/ src/ mypack/ foo.go ...
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How to get IP address of the device from code?

...aos.toByteArray(), "UTF-8") : new String(baos.toByteArray()); } finally { try{ is.close(); } catch(Exception ignored){} } } /** * Returns MAC address of the given interface name. * @param interfaceName eth0, wlan0 or NULL=use first interface * @r...