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How to show line number when executing bash script
...set -v and set -e , so the script would stop when error occurs. However, it's still rather difficult for me to locate which line did the execution stop in order to locate the problem.
Is there a method which can output the line number of the script before each line is executed?
Or output the line ...
How to convert java.util.Date to java.sql.Date?
I am trying to use a java.util.Date as input and then creating a query with it - so I need a java.sql.Date .
18 Answer...
Can I create more than one repository for github pages?
I created a repository for hosting a blog on github.Is there any way that I can create more to host multiple blogs?Am I limited to just one repository for hosting(since username.github.com can only be used once?)
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jQuery count child elements
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You can use .length with just a descendant selector, like this:
var count = $("#selected li").length;
If you have to use .children(), then it's like this:
var count = $("#selected ul").children().length;
You can test both versions here.
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How to express a NOT IN query with ActiveRecord/Rails?
Just to update this since it seems a lot of people come to this, if you are using Rails 4 look at the answers by Trung Lê` and VinniVidiVicci.
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Move cursor to end of file in vim
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No need to explicitly go to the end of line before doing a, use A;
Append text at the end of line [count] times
<ESC>GA
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impro...
How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on
...you can see in the docs here, the intended use is creating ~/.rspec and in it putting your options, such as --color.
To quickly create an ~/.rspec file with the --color option, just run:
echo '--color' >> ~/.rspec
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Sass and combined child selector
I've just discovered Sass, and I've been so excited about it.
2 Answers
2
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How to create a Custom Dialog box in android?
...t"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_margin="10dp"
android:text="Do you realy want to exit ?"
android:textColor="@android:color/white"
android:textSize="15dp"
android:textStyle="bold"/>
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NewLine in object summary
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That's a new paragraph, not a new line. It feels to me that the documentation syntax is somewhat limiting.
– GrizzlyMcBear
Jul 17 '19 at 6:33
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