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Extracting text OpenCV
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+200
You can detect text by finding close edge elements (inspired from a LPD):
#include "opencv2/opencv.hpp"
std::vector<cv::Rect>...
Regular expression to match non-ASCII characters?
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257
This should do it:
[^\x00-\x7F]+
It matches any character which is not contained in the ASC...
How to create a windows service from java app
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sblundysblundy
57.1k2121 gold badges117117 silver badges119119 bronze badges
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str performance in python
While profiling a piece of python code ( python 2.6 up to 3.2 ), I discovered that the
str method to convert an object (in my case an integer) to a string is almost an order of magnitude slower than using string formatting.
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Parse query string in JavaScript [duplicate]
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edited Jun 16 '17 at 19:02
DanBrianWhite
4744 bronze badges
answered Jan 19 '10 at 5:34
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JUnit tests pass in Eclipse but fail in Maven Surefire
...;artifactId>maven-surefire-plugin</artifactId>
<version>2.12</version>
<configuration>
<forkMode>always</forkMode>
</configuration>
</plugin>
Surefire parameters: http://maven.apache.org/plugins/maven-surefire-plugin/test-mojo....
What is the best way to force yourself to master vi? [closed]
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Simple logical operators in Bash
...oup commands, but they only influence parsing, not grouping. The program x=2; { x=4; }; echo $x prints 4, whereas x=2; (x=4); echo $x prints 2. (Also braces require spaces around them and a semicolon before closing, whereas parentheses don't. That's just a syntax quirk.)
With a leading dollar sign...
Change a column type from Date to DateTime during ROR migration
..._date_format_in_my_table
Then in your migration file:
For Rails >= 3.2:
class ChangeDateFormatInMyTable < ActiveRecord::Migration
def up
change_column :my_table, :my_column, :datetime
end
def down
change_column :my_table, :my_column, :date
end
end
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Open a file from Cygwin
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answered Feb 23 '09 at 13:51
erichuierichui
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