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How do I do base64 encoding on iOS?
...eemed to work great until I started getting some memory corruption related errors and using guard malloc I narrowed it down to this line: *objPointer = '\0'; so beware if you use this in your own apps.
– Mattia
Jul 20 '12 at 18:55
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Execute a command line binary with Node.js
...d_process');
const child = spawnSync('ls', ['-lh', '/usr']);
console.log('error', child.error);
console.log('stdout ', child.stdout);
console.log('stderr ', child.stderr);
Note: The following code is still functional, but is primarily targeted at users of ES5 and before.
The module for spawnin...
How to get object length [duplicate]
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If you are not using underscore.js IE8 throws an error for above code though...
– Faiz
Nov 28 '14 at 7:55
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Mean per group in a data.frame [duplicate]
I have a data.frame and I need to calculate the mean per group (i.e. per Month , below).
8 Answers
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Creating and throwing new exception
...ow a general exception use the throw command followed by a string.
throw "Error trying to do a task"
When used inside a catch, you can provide additional information about what triggered the error
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Is errno thread-safe?
...my question is, is it safe to check errno value after some calls or use perror() in multi-threaded code. Is this a thread safe variable? If not, then whats the alternative ?
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Docker can't connect to docker daemon
After I update my Docker version to 0.8.0 , I get an error message while entering sudo docker version :
40 Answers
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How to delete multiple buffers in Vim?
Assuming I have multiple files opened as buffers in Vim. The files have *.cpp , *.h and some are *.xml . I want to close all the XML files with :bd *.xml . However, Vim does not allow this (E93: More than one match...).
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How does SIGINT relate to the other termination signals such as SIGTERM, SIGQUIT and SIGKILL?
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– Jonathan Leffler
Oct 29 '10 at 14:05
TTY Demystified has some easily digestable information on how signals interact ...
Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]
I want to use my Amazon ec2 instance but faced the following error:
29 Answers
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