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How can I remove the first line of a text file using bash/sed script?

...han sed. tail is also available on BSD and the -n +2 flag is consistent across both tools. Check the FreeBSD or OS X man pages for more. The BSD version can be much slower than sed, though. I wonder how they managed that; tail should just read a file line by line while sed does pretty complex oper...
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Why do you need to put #!/bin/bash at the beginning of a script file?

... older versions of BSD defaulted to csh (the C shell). Even today (where most systems run bash, the "Bourne Again Shell"), scripts can be in bash, python, perl, ruby, PHP, etc, etc. For example, you might see #!/bin/perl or #!/bin/perl5. PS: The exclamation mark (!) is affectionately called "bang...
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Unit Testing C Code [closed]

...m159/0849461161e86249f849 – Sam Aug 27 '14 at 21:30 This is pretty close to what I came up with before I started searc...
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SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed

...le. You can also just install the CA files (I haven't tried this) to the OS -- there are lengthy instructions here -- this should work in a similar fashion, but I have not tried this personally. Basically, the issue you are hitting is that some web service is responding with a certificate signed ...
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Programmatically add custom event in the iPhone Calendar

... Based on Apple Documentation, this has changed a bit as of iOS 6.0. 1) You should request access to the user's calendar via "requestAccessToEntityType:completion:" and execute the event handling inside of a block. 2) You need to commit your event now or pass the "commit" param to yo...
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C++ code file extension? .cc vs .cpp [closed]

... considers that the compiler is not typically the only tool involved -- almost always, there is "make" or a similar utility that WILL care which extensions you use, for build rules matching -- then this answer really does not address the core concerns of the question. Note that there are variations ...
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How do I programmatically “restart” an Android app?

...dingIntent to setup launching your start activity in the future and then close your application Intent mStartActivity = new Intent(context, StartActivity.class); int mPendingIntentId = 123456; PendingIntent mPendingIntent = PendingIntent.getActivity(context, mPendingIntentId, mStartActivity, Pen...
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How efficient is locking an unlocked mutex? What is the cost of a mutex?

...ect happens often, then multiple locks would increase parallelism. At the cost of maintainability, since more locking means more debugging of the locking. How efficient is it to lock a mutex? I.e. how much assembler instructions are there likely and how much time do they take (in the case that t...
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How to find the largest file in a directory and its subdirectories?

... The first solution didn't work on OS X for me, so i ended up using a quick hack to filter out the directories from the third solution: du -am . | sort -nr | grep '\..*\.' | head. The m is to display file size in megabytes and used grep to show lines with at l...
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How to handle Handler messages when activity/fragment is paused

...e this issue? – yan May 12 '14 at 0:27 4 I think this approach may not always work - if the activ...