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Can I use an OR in regex without capturing what's enclosed?
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Even rubular doesn't make you use parentheses and the precedence of | is low. For example a|bc does not match ccc
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str performance in python
... replaced, which permits the compiler to do the optimization. The compiler doesn't do very much in the way of optimization, but it does more than you might think :)
– Karl Knechtel
May 10 '12 at 11:28
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What is the difference between double-ampersand (&&) and semicolon (;) in Linux Bash?
... side returns a non-zero exit status, the operator returns that status and does not evaluate the right side (it short-circuits), otherwise it evaluates the right side and returns its exit status. This is commonly used to make sure that command2 is only run if command1 ran successfully.
The ; token...
What is the proper way to re-attach detached objects in Hibernate?
...ng by the number of similar questions about JPA,
it seems that even if JPA does claim to have a coherent model,
it most certainly does not match the mental model of most programmers,
who have been cursed to waste many hours trying understand
how to get JPA to do the simplest things, and end up wit...
Determine the line of code that causes a segmentation fault?
How does one determine where the mistake is in the code that causes a segmentation fault ?
6 Answers
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Coding Conventions - Naming Enums
...w() really bugs me. Also, although it would be a very bad practice, APPLE doesn't have to be a constant (immutable). With the promotion of enums to full java classes I'm not sure using conventions developed for something that didn't even exist in c (Objects, not enums) always make sense
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Installing Python packages from local file system folder to virtualenv with pip
...lly one in current/intensive development on a local machine or VCS url. It does not answer the question about searching a parent directory for all local package sources as opposed to one particular package source. The accepted answer works when you have a directory or url with multiple packages you ...
What do I need to do to get Internet Explorer 8 to accept a self signed certificate?
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This is the best answer as the top answer does not have the crucial 'Start Internet Explorer running as a user with administrative privileges.'
– Nicholas Murray
Jan 13 '15 at 11:59
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Using the Android Application class to persist data
...d recreation of the activity. Based on my findings, the Application class does not have the same life-cycle (i.e. it is, for all intents and purposes, always instantiated). Does it make sense to store the state information inside of the application class and then reference it from the Activity, or...
What is the performance cost of having a virtual method in a C++ class?
...al) branches and fetch those instructions into cache ahead of time. My PPC does not, but maybe Intel's most recent hardware does.
My timings control for the influence of icache misses on execution (deliberately, since I was trying to examine the CPU pipeline in isolation), so they discount that co...