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How to install a gem or update RubyGems if it fails with a permissions error
...r their own use. While it's OK to make minor modifications to that if you know what you're doing, because you are not sure about the permissions problem, I'd say it's not a good idea to continue along that track.
Instead, I'll strongly suggest you look into using either rbenv or RVM to manage a sep...
Does PowerShell support constants?
...the Set-Variable cmdlet:
Set-Variable myvar -option Constant -value 100
Now $myvar has a constant value of 100 and cannot be modified.
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What's the difference between ASCII and Unicode?
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@riderBill: What now? Which 3 bits are you talking about? There are no bits in Unicode. Just codepoints.
– Kerrek SB
Feb 22 '16 at 22:14
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In Python, how do I iterate over a dictionary in sorted key order?
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You can now use OrderedDict in Python 2.7 as well:
>>> from collections import OrderedDict
>>> d = OrderedDict([('first', 1),
... ('second', 2),
... ('third', 3)])
>>> d.i...
Is it possible to simulate key press events programmatically?
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It seems that this feature has been removed by now. MDN has considered it deprecated for quite a while, though.
– Tacticus
Dec 10 '16 at 19:30
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Difference between Apache CXF and Axis
...released two years ago, so about every 2 months), 6 fixpacks to 2.1.x, and now 3 for 2.2.x. Axis2 doesn't really "support" older versions. Unless a "critical" issue is hit, you may need to wait till the next big release (they average about every 9-10 months or so) to get fixes. (although, with e...
Python (and Python C API): __new__ versus __init__
... Ahh, right, Shape.__init__() (if it had one) wouldn't be called. Now it's all making more sense... :¬)
– martineau
Jun 29 '18 at 21:01
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Best practice to run Linux service as a different user
... This creates a privilege escalation vulnerability. The svn user can now put arbitrary PIDs in the /home/svn/run/svnserve.pid file which will be killed instead of the svn process whenever the svn service is stopped or restarted.
– rbu
Jul 10 '14 at 15:56
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What is the difference between min SDK version/target SDK version vs. compile SDK version?
...between "min sdk version/target sdk version" and "compile sdk version"? I know what min and target sdk means, but what does compile sdk version mean?
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Differences between std::make_unique and std::unique_ptr with new
...t here is that std::make_unique<A> and std::make_unique<B> are now temporary objects, and cleanup of temporary objects is correctly specified in the C++ standard: their destructors will be triggered and the memory freed. So if you can, always prefer to allocate objects using std::make_un...