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Pass Variables by Reference in Javascript
...e mentioned below, though in this case about Java. It occurred to me while reading the back-and-forth in the Reddit comments that a big part of the confusion stems from the unfortunate collision involving the word "reference". The terminology "pass by reference" and "pass by value" predates the conc...
How does the vim “write with sudo” trick work?
...d by the shell, which does not run as root. It's the same as echo hi > /read/only/file.
– WhyNotHugo
May 23 '15 at 2:15
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How to compare type of an object in Python?
...sinstance("this is a string", str) will return True.
You may also want to read this: http://www.canonical.org/~kragen/isinstance/
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Java code To convert byte to Hexadecimal
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@Vivek: read my answer about using toHexString. You have to mask it with & 0xFF, i.e. Integer.toHexString(-46 & 0xFF) is "d2".
– polygenelubricants
May 13 '10 at 10:49
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Found conflicts between different versions of the same dependent assembly that could not be resolved
...'s a killer article on this stuff by SO's own @Nick Craver that you should read
While the other responses say this, they don't make it explicit, so I will....
On VS2013.2, to actually trigger the emission of the cited information, you need to not read the message, which says:
C:\Program Files (x86...
How do I change the root directory of an apache server? [closed]
...e what is in the quotes to your new directory. This gives Apache access to read from that directory when a user makes a request that call on it.
Now restart your apache service (httpd -k restart) and you should be good to go.
Edit: Apache2 site config files are now typically kept in /etc/apache2/s...
How to redirect 'print' output to a file using python?
... absolutely invalid. There's no reason to redirect stdout here, since he already gets the data into a variable.
– machine yearning
Aug 22 '11 at 20:44
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When should I use double instead of decimal?
...cal) discussion of floating-point numbers/operations at machine level, try reading the oft-quoted article What Every Computer Scientist Should Know About Floating-Point Arithmetic.
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What is the difference between old style and new style classes in Python?
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Interesting that you noticed in practice, I just read that this is because new-style classes, once they have found the attribute in the instance dict, have to do an additional lookup to work out whether it is a description, ie, it has a get method that needs to be invoked t...
Why malloc+memset is slower than calloc?
...our program, the standard library, the kernel, and the page tables. You already know your program, so...
Memory allocators like malloc() and calloc() are mostly there to take small allocations (anything from 1 byte to 100s of KB) and group them into larger pools of memory. For example, if you all...