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How do I fetch lines before/after the grep result in bash?
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Nice, ive had to look this up a few times now, maybe I can remember it as -A(FTER) -B(EFORE) -C(ONTEXT)
– Opentuned
Aug 30 '18 at 13:47
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Android.app Fragments vs. android.support.v4.app using ViewPager?
...ragments, the ones in v13 with native fragments.
The reason why there are now two fragment implementations is historical: Fragments in the android.app package were introduced with Android 3 for tablets only and the support library was created to bring fragments to phones running older versions. On ...
Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
... it would be useful to expand this explanation. array[5,0]=:foo # array is now [:peanut, :butter, :and, :jelly, nil, :foo]
– mfazekas
Jun 19 '14 at 1:34
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Replace specific characters within strings
..., "e18947")) )
R> group
group
1 12357e
2 12575e
3 197e18
4 e18947
Now use gsub() with the simplest possible replacement pattern: empty string:
R> group$groupNoE <- gsub("e", "", group$group)
R> group
group groupNoE
1 12357e 12357
2 12575e 12575
3 197e18 19718
4 e18947 ...
ASP.NET MVC Html.DropDownList SelectedValue
... you try to update "DealerTypes" in the db since it is the DropDownList is now bound to "DealerTypesDD" which doesn't exist in the model. A workaround is to add a hidden field and htmlAttributes to the DropDownList: <input type="hidden" name="DealerTypes" id="DealerTypes" value="" /> <%= H...
Building big, immutable objects without using constructors having long parameter lists
....build(); Foo talls = people.tallerThan("180m").build(); where talls would now only contain women. This shouldn't happen with an immutable API.
– Thomas Ahle
Mar 19 '14 at 15:53
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Omitting the first line from any Linux command output
...d to work with coreutils tail, but it's been deprecated, then removed. You now get tail: cannot open '+2' for reading: No such file or directory (coreutils 8.7). Sad thing is other implementations don't accept -n...
– Mat
Sep 6 '11 at 10:47
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Exception NoClassDefFoundError for CacheProvider
...s replaced with the LocalSessionFactoryBean as it does class path scanning now.
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Why use bzero over memset?
...use you can achieve exactly the same functionality using memset function.
Now regarding efficiency, compilers like gcc use builtin implementations for memset which switch to a particular implementation when a constant 0 is detected. Same for glibc when builtins are disabled.
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Retrieve a Fragment from a ViewPager
...re of any other drawbacks of this solution. If there are any, I'd like to know.
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