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Advantages of std::for_each over for loop
...y called C++0x), is that this tiresome debate will be settled.
I mean, no one in their right mind, who wants to iterate over a whole collection, will still use this
for(auto it = collection.begin(); it != collection.end() ; ++it)
{
foo(*it);
}
Or this
for_each(collection.begin(), collection....
Git Cherry-pick vs Merge Workflow
...that the state of the repository at a given SHA1 is identical across all clones. There is (in theory) no chance that someone has done what looks like the same change but is actually corrupting or hijacking your repository. You can cherry-pick in individual changes and they are likely the same, but...
What is fastest children() or find() in jQuery?
To select a child node in jQuery one can use children() but also find().
6 Answers
6
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When and how should I use a ThreadLocal variable?
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One possible (and common) use is when you have some object that is not thread-safe, but you want to avoid synchronizing access to that object (I'm looking at you, SimpleDateFormat). Instead, give each thread its own instance...
Why is a C++ Vector called a Vector?
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@Joseph Garvin: Vectors don't even need to have components that are numbers. For example, certain sets of functions can be used to form vector spaces where the components are functions.
– jason
Sep 15 '09 at 20:56
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Trying to add adb to PATH variable OSX
...e reason adb does not want to be found. This is very frustrating. Has anyone else had this problem before?
14 Answers
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How to draw vertical lines on a given plot in matplotlib?
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If someone wants to add a legend and/or colors to some vertical lines, then use this:
import matplotlib.pyplot as plt
# x coordinates for the lines
xcoords = [0.1, 0.3, 0.5]
# colors for the lines
colors = ['r','k','b']
for xc,...
How to mark a build unstable in Jenkins when running shell scripts
... tasks. Some are sh/bash scripts that run rsync, and some are PHP scripts. One of the PHP scripts is running some integration tests that output to JUnit XML, code coverage reports, and similar.
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Should I declare Jackson's ObjectMapper as a static field?
...impleDateFormat is not thread safe, thus ObjectMapper won't be unless it clones e.g. SerializationConfig before each writeValue() (I doubt). Could you debunk my fear?
– dma_k
Aug 2 '13 at 12:09
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Is it possible to capture a Ctrl+C signal and run a cleanup function, in a “defer” fashion?
...me.Gosched in an appropriate place (in your program's main loop, if it has one)
– misterbee
Aug 4 '13 at 15:53
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