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Installing Python 3 on RHEL
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Very good question, I added a comment for that. It's the best I found. If you want to stick to RPM-based installation, you should use IUS repositories for CentOS 7. They provide a python34u-pip.
– Samuel Phan
Oct 1 '15 at 21:11
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Python argparse: Make at least one argument required
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Best answer evar, thank you for the detailed examples.
– jnovack
Feb 5 '16 at 10:33
add a comment
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How can I use NSError in my iPhone App?
...zedDescription because we set a value for NSLocalizedDescriptionKey.
The best place for more information is Apple's documentation. It really is good.
There is also a nice, simple tutorial on Cocoa Is My Girlfriend.
share...
How to start working with GTest and CMake
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You can get the best of both worlds. It is possible to use ExternalProject to download the gtest source and then use add_subdirectory() to add it to your build. This has the following advantages:
gtest is built as part of your main build, ...
Circle drawing with SVG's arc path
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Ahhh, cheating, always the best solution. Still need to handle the 100% case, but just by "rounding down" to 99.999% rather than with a whole separate code branch.
– SimonR
Apr 18 '16 at 14:03
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Why would you ever implement finalize()?
... collect, too. It
takes at least two garbage collection
cycles (in the best case) before a
finalizeable object can be reclaimed,
and the garbage collector has to do
extra work to invoke the finalizer.
The result is more time spent
allocating and collecting objects and
more pressure o...
Split string with delimiters in C
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I think strsep is still the best tool for this:
while ((token = strsep(&str, ","))) my_fn(token);
That is literally one line that splits a string.
The extra parentheses are a stylistic element to indicate that we're intentionally testing the res...
How to complete a git clone for a big project on an unstable connection?
... an old GSoC page that which planned to implement your desired feature. My best bet is, like you suggested download it as a directory. I'm assuming you are able to resume downloads over other protocols.
Restartable Clone
When cloning a large repository (such
as KDE, Open Office, Linux ker...
Show and hide a View with a slide up/down animation
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One of the best and easy answers! Thanks!
– krisDrOid
Feb 29 at 18:14
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How to join (merge) data frames (inner, outer, left, right)
...ss "CustomerId" to R as the matching variable. I think it's almost always best to explicitly state the identifiers on which you want to merge; it's safer if the input data.frames change unexpectedly and easier to read later on.
You can merge on multiple columns by giving by a vector, e.g., by = c(...