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Why isn't sizeof for a struct equal to the sum of sizeof of each member?

...y alignment constraints. Data structure alignment impacts both performance and correctness of programs: Mis-aligned access might be a hard error (often SIGBUS). Mis-aligned access might be a soft error. Either corrected in hardware, for a modest performance-degradation. Or corrected by emulation...
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Configuring Git over SSH to login once

... Try ssh-add, you need ssh-agent to be running and holding your private key (Ok, responding to the updated question, you first run ssh-keygen to generate a public and private key as Jefromi explained. You put the public key on the server. You should use a passphrase, if ...
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brew install mysql on macOS

...ion with older versions of mysql already installed. I had the same problem and none of the above solutions worked for me. I fixed it thus: Used brew's remove & cleanup commands, unloaded the launchctl script, then deleted the mysql directory in /usr/local/var, deleted my existing /etc/my.cnf (l...
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How to allow remote connection to mysql

I have installed MySQL Community Edition 5.5 on my local machine and I want to allow remote connections so that I can connect from external source. ...
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How to detect the current OS from Gradle

... Actually, I looked at the Gradle project, and this looks a little cleaner as it uses Ant's existing structure: import org.apache.tools.ant.taskdefs.condition.Os task checkWin() << { if (Os.isFamily(Os.FAMILY_WINDOWS)) { println "*** Windows " ...
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How to specify more spaces for the delimiter using cut?

...here any way to specify a field delimiter for more spaces with the cut command? (like " "+) ? For example: In the following string, I like to reach value '3744', what field delimiter I should say? ...
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Are loops really faster in reverse?

... is it worth to introduce a variable for array.length and use it in the for loop's head? – ragatskynet Oct 30 '12 at 10:13 39 ...
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How to get Android crash logs?

... If your app is being downloaded by other people and crashing on remote devices, you may want to look into an Android error reporting library (referenced in this SO post). If it's just on your own local device, you can use LogCat. Even if the device wasn't connected to a ...
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How can I distribute python programs?

...th distutils. It's made both for distributing library type python modules, and python applications, although I don't know how it works on Windows. You would on Windows have to install Python separately if you use distutils, in any case. I'd probably recommend that you distribute it with disutils fo...
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Stopwatch vs. using System.DateTime.Now for timing events [duplicate]

I wanted to track the performance of my code so I stored the start and end time using System.DateTime.Now . I took the difference between the two as the time my code to execute. ...