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How to read lines of a file in Ruby
...d "\r\n" from Windows, here's what I would do:
line_num=0
text=File.open('xxx.txt').read
text.gsub!(/\r\n?/, "\n")
text.each_line do |line|
print "#{line_num += 1} #{line}"
end
Of course this could be a bad idea on very large files since it means loading the whole file into memory.
...
Is it possible to run a single test in MiniTest?
...(temporally) add something to the test name very unique like:
it "my test xxx" do
end
and then use the RegEx version of the '-n' parameter like:
ruby my_test.rb -n /xxx/
share
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improve this an...
How to install Java SDK on CentOS?
...://www.oracle.com"$1}' | xargs wget --no-cookies --header "Cookie: gpw_e24=xxx; oraclelicense=accept-securebackup-cookie;" -O index.html -q && grep -Eoi '"filepath":"[^"]+jdk-8u[0-9]+-linux-x64.rpm"' index.html | grep -Eoi 'http:[^"]+' | xargs wget --no-cookies --header "Cookie: gpw_e24=xxx;...
Validate phone number with JavaScript
...econdly, your validation is incorrect. NANP numbers take the form NXX NXX XXXX where N is a digit 2-9 and X is a digit 0-9. Additionally, area codes and exchanges may not take the form N11 (end with two ones) to avoid confusion with special services except numbers in a non-geographic area code (80...
为AppInventor2开发自己的拓展(Extension) - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...等同于上面一行@UsesLibraries(libraries = "okhttp-3.12.13.jar, xxx.jar") //依赖第三方jar库的，多个英文逗号分隔public class Clipboard extends AndroidNonvisibleComponent implements Component { public static final int VER...
Linking to an external URL in Javadoc?
...
The {@link xxx} here isn't right. {@link xxx} is for linking to other classes and methods in your source code. It's unnecessary here. The rest of it is fine.
– MiguelMunoz
Sep 2 '15 at 0:16
...
When to add what indexes in a table in Rails
...
Should I add "index" to all the foreign keys like "xxx_id"?
It would be better, because it accelerates the search in sorting in this column. And Foreign keys are something searched for a lot.
Since Version 5 of rails the index will be created automatically, for more inform...
Email address validation using ASP.NET MVC data type attributes
... issue and for me email validation works fine except for emails like 'name@xxx'. Has anyone else seen this?
– Kremena Lalova
Nov 3 '15 at 19:13
3
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How to change past commit to include a missed file?
... changes." I had already add-ed the missing files, so I did a commit with "xxx" as the message. Then I did the rebase command, and changed the "xxx" commit from "pick" to "edit". Then I did "git rebase --continue". Now when I look at the history I have "xxx" as the latest commit, and the earlier com...
Setting direction for UISwipeGestureRecognizer
...to recognize all four directions, it will return true for sgr.direction == xxx where xxx is any one of the four directions.
Here's an alternative work-around that involves less code (assumes ARC use):
for(int d = UISwipeGestureRecognizerDirectionRight; d <= UISwipeGestureRecognizerDirectionDown...
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