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How to select lines between two marker patterns which may occur multiple times with awk/sed
...tmatch/d;/secondmatch/,$d'
1,/firstmatch/d: from line 1 until the first time you find firstmatch, delete.
/secondmatch/,$d: from the first occurrance of secondmatch until the end of file, delete.
Semicolon separates the two commands, which are executed in sequence.
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What is the difference between \r and \n?
...t, hit enter, and the PC speaker will beep. That's left over from ancient times.
– Dave Carlile
Aug 14 '09 at 19:58
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When should I use a struct rather than a class in C#?
...truct and not class in C#? My conceptual model is that structs are used in times when the item is merely a collection of value types . A way to logically hold them all together into a cohesive whole.
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git - merge conflict when local is deleted but file exists in remote
I am very new to git and wondered how I should go about a merge where in the local repo I have deleted several files on the master branch but these files exist within the remote master branch.
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What is the difference between buffer and cache memory in Linux?
...icated to cache disk blocks. "Cached" is similar like "Buffers", only this time it caches pages from file reading.
quote from:
https://web.archive.org/web/20110207101856/http://www.linuxforums.org/articles/using-top-more-efficiently_89.html
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Notifier 通知扩展：功能强大的Android通知管理工具，支持通知通道、意图、...
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Numeric for loop in Django templates
...icely for small cases with no special tags and no additional context. Sometimes this comes in handy
{% for i in '0123456789'|make_list %}
{{ forloop.counter }}
{% endfor %}
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Difference between require, include, require_once and include_once?
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My suggestion is to just use require_once 99.9% of the time.
Using require or include instead implies that your code is not reusable elsewhere, i.e. that the scripts you're pulling in actually execute code instead of making available a class or some function libraries.
If you...
How to use Bitbucket and GitHub at the same time for one project?
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$ git push bitbucket master
Straight forward no? Except of course every time we commit any changes, we need to push to both our original “origin” and our new remote “bitbucket”:
$ git push origin master
$ git push bitbucket master
Not a massive overhead, but I’m sure it will grate over...
How can I read SMS messages from the device programmatically in Android?
...setReadState(c.getString(c.getColumnIndex("read")));
objSms.setTime(c.getString(c.getColumnIndexOrThrow("date")));
if (c.getString(c.getColumnIndexOrThrow("type")).contains("1")) {
objSms.setFolderName("inbox");
} else {
objSms.setF...