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Ruby, remove last N characters from a string?
... 2.5 you can use delete_suffix or delete_suffix! to achieve this in a fast and readable manner.
The docs on the methods are here.
If you know what the suffix is, this is idiomatic (and I'd argue, even more readable than other answers here):
'abc123'.delete_suffix('123') # => "abc"
'abc123'...
Make iframe automatically adjust height according to the contents without using scrollbar? [duplicat
...Window.document.documentElement.scrollHeight + 'px';
}
</script>
And change your iframe to this:
<iframe src="..." frameborder="0" scrolling="no" onload="resizeIframe(this)" />
As found on sitepoint discussion.
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How do I auto-hide placeholder text upon focus using css or jquery?
...input type="text" placeholder="Type something here!">
Firefox 15 and IE 10+ also supports this now. To expand on Casey Chu's CSS solution:
input:focus::-webkit-input-placeholder { color:transparent; }
input:focus:-moz-placeholder { color:transparent; } /* FF 4-18 */
input:focus::-moz-plac...
How can I lookup a Java enum from its String value?
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thanks - and I can use case conversion if I know the values are still distinct
– peter.murray.rust
Jul 5 '09 at 10:21
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When to use thread pool in C#? [closed]
I have been trying to learn multi-threaded programming in C# and I am confused about when it is best to use a thread pool vs. create my own threads. One book recommends using a thread pool for small tasks only (whatever that means), but I can't seem to find any real guidelines. What are some consid...
Run/install/debug Android applications over Wi-Fi?
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See forum post Any way to view Android screen remotely without root? - Post #9.
Connect the device via USB and make sure debugging is working;
adb tcpip 5555. This makes the device to start listening for connections on port 5555;
Look up the device IP ad...
Should I index a bit field in SQL Server?
...worth doing. I admit I don't know enough about how indexes work to understand why that is.
19 Answers
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Select arrow style change
... div with the same size, I set the background of the select as transparent and I'm including a picture(with the same size as the arrow) in the right top corner of the div as background.
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In vim, how do I get a file to open at the same line number I closed it at last time?
... then run:
sudo chown user:group ~/.viminfo
where user is your username and group is often the same as your username.
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How to convert hashmap to JSON object in Java
How to convert or cast hashmap to JSON object in Java, and again convert JSON object to JSON string?
29 Answers
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