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Can I grep only the first n lines of a file?
I have very long log files, is it possible to ask grep to only search the first 10 lines?
12 Answers
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List distinct values in a vector in R
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csgillespiecsgillespie
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Convert all first letter to upper case, rest lower for each word
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jspcaljspcal
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What does %~dp0 mean, and how does it work?
I find %~dp0 very useful, and I use it a lot to make my batch files more portable.
7 Answers
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What is the default form HTTP method?
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It's GET.
Take a look W3C Superceded Recommendation 17.3 The FORM element.
Excerpt:
<!ATTLIST FORM
%attrs; -- %coreattrs, %i18n, %events --
action %URI; #REQUIRED -- server-side form h...
PHP code to convert a MySQL query to CSV [closed]
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community wiki
2 revs, 2 users 95%Geoff
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Find Oracle JDBC driver in Maven repository
...ue to license reasons have a pom entry in the Maven Central repo. Just check it out, it contains the vendor's preferred Maven info:
<groupId>com.oracle</groupId>
<artifactId>ojdbc14</artifactId>
<version>10.2.0.3.0</version>
...and the URL to download the file ...
How to prove that a problem is NP complete?
...covers (that is, for some graph G, does it have a vertex cover set of size k such that every edge in G has at least one vertex in the cover set?) is in NP:
our input X is some graph G and some number k (this is from the problem definition)
Take our information C to be "any possible subset of verti...
How to check Django version
...d run the sample application for testing Django succesfuly. But how do I make sure whether Django uses the 2.6 or 2.7 version and what version of modules Django uses?
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How to convert URL parameters to a JavaScript object?
I have a string like this:
30 Answers
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