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how to install gcc on windows 7 machine?
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Should you ever use protected member variables?
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One order of business of a constructor is to see to it that all state variables are explicitly initialized. If you adhere to this convention, you can use the super construct to call the parent constructor; it will then take care...
Why can't strings be mutable in Java and .NET?
...sequent changes: Since Jave 7, String.substring() performs a full copy, in order to prevent the problems mentioned in comments above. In Java 8, the two fields enabling char[] sharing, namely count and offset, are removed, thus reducing memory footprint of String instances.
– C...
How can I safely create a nested directory?
...use os.path.isdir followed by os.makedirs, the solution above reverses the order of the two operations. In doing so, it prevents a common race condition having to do with a duplicated attempt at creating the directory, and also disambiguates files from directories.
Note that capturing the exception...
Cosmic Rays: what is the probability they will affect a program?
...rror Rate of 10-12 for their memory modules", "a observed error rate is 4 orders of magnitude lower than expected". For data-intensive tasks (8 GB/s of memory reading) this means that single bit flip may occur every minute (10-12 vendors BER) or once in two days (10-16 BER).
2009 Google's paper "DR...
SSL certificate rejected trying to access GitHub over HTTPS behind firewall
...1+n) ".pem"} /-----END CERTIFICATE-----/ {n++}'
$ c_rehash
Important: In order to use c_rehash you have to install openssl-perl too.
Ignore SSL certificate verification.
WARNING: Disabling SSL certificate verification has security implications. Without verification of the authenticity of SSL/HTTP...
What is the difference between user variables and system variables?
...nment variables are 'evaluated' (ie. they are attributed) in the
following order:
System variables
Variables defined in autoexec.bat
User variables
Every process has an environment block that contains a set of environment variables and their values. There are two types of environment variables: ...
Cannot serve WCF services in IIS on Windows 8
...o the log file for further diagnostics.". I used the GUI method instead in order to know what I was turning on and it worked.
– Ben Adams
Jul 31 '14 at 8:08
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How do I migrate an SVN repository with history to a new Git repository?
... This is 99% awesome, following these steps, I got everything in order except branches: after the final step, they were remote only (and as such disappeared when I did the command: git remote rm origin)
– Dirty Henry
Mar 29 '12 at 9:22
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How Scalable is SQLite? [closed]
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@porneL: True, but SQLite without indexes was an order of magnitude slower than MySQL without indexes, and I also included a bit about transactions in my second edit. I still think that the progression of the answer makes some sense - it shows my initial naive use of SQLite...
