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Append to a file in Go
... Go1:
f, err := os.OpenFile(filename, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
if err != nil {
panic(err)
}
defer f.Close()
if _, err = f.WriteString(text); err != nil {
panic(err)
}
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Git Gui: Perpetually getting “This repository currently has approximately 320 loose objects.”
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jan 30 '14 at 13:53
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Error-Handling in Swift-Language
... in exception path than in success path. This is not the case with Swift 2.0 errors, where success path and error path cost roughly the same.
All error throwing code must be declared, while exceptions might have been thrown from anywhere. All errors are "checked exceptions" in Java nomenclature. How...
How can I link to a specific glibc version?
When I compile something on my Ubuntu Lucid 10.04 PC it gets linked against glibc. Lucid uses 2.11 of glibc. When I run this binary on another PC with an older glibc, the command fails saying there's no glibc 2.11...
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Javadoc: package.html or package-info.java
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package-info.java: "This file is new in JDK 5.0, and is preferred over package.html."—javadoc - The Java API Documentation Generator
Addendum: The big difference seems to be package annotations. There's a little more in the way of rationale in 7.4 Package Declarations...
Browser support for URLs beginning with double slash
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This behavior was part of RFC 1808 (Section 4) which is about 16 years old, so every major browser should (and does) support this.
Sadly, there's a bug with IE7 and -8 that will make them download the resources twice if a protocol-relative URL is used on a...
How can I convert tabs to spaces in every file of a directory?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jun 19 '12 at 4:35
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Is there any way to create a blank solution (.sln) file first and then add projects?
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edited Jul 27 '10 at 16:34
Allen Rice
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How do I show an open file in eclipse Package Explorer?
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answered Jun 13 '11 at 18:08
Konstantin KomissarchikKonstantin Komissarchik
27.8k44 gold badges5656 silver badges6161 bronze badges
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IN vs OR in the SQL WHERE Clause
... your specific data to see which is faster.
I tried both on a MySQL with 1000000 rows. When the column is indexed there is no discernable difference in performance - both are nearly instant. When the column is not indexed I got these results:
SELECT COUNT(*) FROM t_inner WHERE val IN (1000, 2000, ...