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Access “this” from Java anonymous class
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Repeat each row of data.frame the number of times specified in a column
...UE), freq=sample(1:10, 1000, replace = TRUE)) On the tiny data.frame, the base answer does well in my benchmarking, it just doesn't scale well to bigger data.frames. The other three answers ran successfully with this larger data.frame.
– Sam Firke
Jul 7 '15 a...
Storing sex (gender) in database
I want to store a user's gender in a database with as little (size/performance) cost as possible.
8 Answers
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How to prevent ENTER keypress to submit a web form?
How do you prevent an ENTER key press from submitting a form in a web-based application?
29 Answers
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Working with huge files in VIM
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I wrote a little script based on Florian's answer that uses nano (my favorite editor):
#!/bin/sh
if [ "$#" -ne 3 ]; then
echo "Usage: $0 hugeFilePath startLine endLine" >&2
exit 1
fi
sed -n -e $2','$3'p' -e $3'q' $1 > hfnano_tempora...
Renaming files in a folder to sequential numbers
I want to rename the files in a directory to sequential numbers. Based on creation date of the files.
27 Answers
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How to use/install gcc on Mac OS X 10.8 / Xcode 4.4
...nclude-dir=/usr/include/c++/4.2.1 Apple LLVM version 6.0 (clang-600.0.51) (based on LLVM 3.5svn) Target: x86_64-apple-darwin14.0.0 Thread model: posix So am I using gcc?
– Thomas
Dec 14 '14 at 16:11
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How to set cornerRadius for only top-left and top-right corner of a UIView?
.... You will have to:
Create a CAShapeLayer
Set its path to be a CGPathRef based on view.bounds but with only two rounded corners (probably by using +[UIBezierPath bezierPathWithRoundedRect:byRoundingCorners:cornerRadii:])
Set your view.layer.mask to be the CAShapeLayer
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Spring: @Component versus @Bean
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use '@component' for service based classes, '@Bean' as factory more tailor made objects, e.g jdbc datasource
– Junchen Liu
Jan 7 '16 at 17:35
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Import CSV to mysql table
...you need:
<?php
$host = 'localhost';
$user = 'root';
$pass = '';
$database = 'database';
$db = mysql_connect($host, $user, $pass);
mysql_query("use $database", $db);
/********************************************************************************/
// Parameters: filename.csv table_name
$arg...