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Bash history without line numbers
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A bit simpler, using more obscure syntax: HISTTIMEFORMAT=$'\r\e[K'
– wjandrea
May 20 '17 at 21:12
5
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Using ZXing to create an Android barcode scanning app [duplicate]
...o so! :)
Edit: Somebody edited this guide into this answer (it sounds a bit odd, I can't vouch as to its accuracy, and I'm not sure why they're using Eclipse in 2015):
Step by step to setup zxing 3.2.1 in eclipse
Download zxing-master.zip from "https://github.com/zxing/zxing"
Unzip zxing-maste...
Wrapping StopWatch timing with a delegate or lambda?
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@Jay I agree that "foreach" with Enumerable.Range looks a bit more "modern", but my tests show that it's about four times slower than a "for" loop over a large count. YMMV.
– Matt Hamilton
Oct 25 '08 at 23:16
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@Nullable annotation usage
...id and defensive in approaches. Since you are on Java8 or later there is a bit cleaner approach than an if block.
public String foo(@Nullable String mayBeNothing) {
return Optional.ofNullable(mayBeNothing).orElse("Really Nothing");
}
You can also throw some exception in there by swapping .orEl...
Why was the switch statement designed to need a break?
...n".
– Michael Burr
Oct 31 '08 at 18:10
If you're using explicit jumps via GOTO, isn't it just as productive to just us...
How do I allow HTTPS for Apache on localhost?
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Where do I put image files, css, js, etc. in Codeigniter?
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Hi @KebyangBlabla I've updated my answer with a bit more information that should help you.
– Eddie
Mar 14 '13 at 13:32
10
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Reading my own Jar's Manifest
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can be improved a little bit by removing condition check classPath.replace("org/example/MyClass.class", "META-INF/MANIFEST.MF"
– Jay
Mar 26 '13 at 6:05
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SQL Call Stored Procedure for each Row without using a cursor
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@Mitch: yes, true - a bit less overhead. But still - it's not really in the set-based mentality of SQL
– marc_s
Nov 1 '09 at 12:12
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What is SuppressWarnings (“unchecked”) in Java?
...ified about these which he is already aware of when compiling a particular bit of code.
You can read more on this specific annotation here:
SuppressWarnings
Additionally, Oracle provides some tutorial documentation on the usage of annotations here:
Annotations
As they put it,
"The ...