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How to get std::vector pointer to the raw data?
...nd that proxy can't be implicitly converted to a bool*. As the workaround for this, if you do need a sequence of bool, it's best just to use a std::vector<char>. @Motti
– James McNellis
Jun 26 '11 at 23:38
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When using the Java debugger in Intellij what does “Drop Frame” mean?
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Thanks for contributing an answer to Stack Overflow!Please be sure to answer the question. Provide details and share your research!But avoid …Asking for help, clarification, or responding to other answers.Making statements based o...
What is P99 latency?
...present? I keep hearing about this in discussions about an applications performance but couldn't find a resource online that would talk about this.
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How to create an array of 20 random bytes?
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For those wanting a more secure way to create a random byte array, yes the most secure way is:
byte[] bytes = new byte[20];
SecureRandom.getInstanceStrong().nextBytes(bytes);
BUT your threads might block if there is not en...
How to write Unicode characters to the console?
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It's likely that your output encoding is set to ASCII. Try using this before sending output:
Console.OutputEncoding = System.Text.Encoding.UTF8;
(MSDN link to supporting documentation.)
And here's a little console test app you may find handy:
C#
using System;
using System.Text;
public stat...
Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
In my Rails (3.2) app, I have a bunch of tables in my database but I forgot to add a few not null constraints. I've googled around but I can't find how to write a migration which adds not null to an existing column.
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SQL Server ':setvar' Error
...t in a bundled deployment. So you need to turn on the SQL command mode before running the script either via the menu as above or ensure your custom install script does so before it runs.
– rism
May 20 '12 at 1:39
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Commit changes to a different branch than the currently checked out branch with subversion
...might be breaking changes and need to be moved to an experimental branch before committing to the main dev tree. However, I don't have the experimental branch checked out and I don't want to lose the changes that have already been made.
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Passing variables in remote ssh command
...un_pvt.pl $BUILD_NUMBER'
your shell will interpolate the $BUILD_NUMBER before sending the command string to the remote host.
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How to use PHP OPCache?
...ng module called OPCache, but there doesn't appear to be any documentation for it.
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