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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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Looping through localStorage in HTML5 and JavaScript

... In addition to all the other answers, you can use $.each function from the jQuery library: $.each(localStorage, function(key, value){ // key magic // value magic }); Eventually, get the object with: JSON.parse(localStorage.getI...
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How to avoid overflow in expr. A * B - C * D

...e their types are: signed long long int A, B, C, D; Each number can be really big (not overflowing its type). While A*B could cause overflow, at same time expression A*B - C*D can be really small. How can I compute it correctly? ...
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sphinx-build fail - autodoc can't import/find module

...can use the Makefile created by Sphinx to create your documentation. Just call make to see the options. If something went wrong before try: make clean before running make html. share | improv...
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PHP check whether property exists in object or class

... edited Mar 15 at 15:51 Abel Callejo 9,05577 gold badges4444 silver badges6262 bronze badges answered Jan 19 '13 at 12:32 ...
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For files in directory, only echo filename (no path)

...s Parameter Expansion which is native to the shell and does not require a call to an external binary such as basename However, might I suggest just using find find /home/user -type f -printf "%f\n" share | ...
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Multi-Line Comments in Ruby?

.....is kinda ugly and creates a String instance, but I know one guy with a Smalltalk background, who does this." puts "Hello world!" ## # most # people # do # this __END__ But all forgot there is another option. Only at the end of a file, of course. This is how it looks (via screenshot) - othe...
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How can I create an error 404 in PHP?

My .htaccess redirects all requests to /word_here to /page.php?name=word_here . The PHP script then checks if the requested page is in its array of pages. ...
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How to convert a data frame column to numeric type?

... and this is not the most confounding thing, but it can confuse you, especially if you read this before rolling into bed. Here goes: first two columns are character. I've deliberately called 2nd one fake_char. Spot the similarity of this character variable with one that Dirk created in his reply. I...
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Does Parallel.ForEach limit the number of active threads?

...on't start 1000 threads - yes, it will limit how many threads are used. Parallel Extensions uses an appropriate number of cores, based on how many you physically have and how many are already busy. It allocates work for each core and then uses a technique called work stealing to let each thread proc...