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Shorten string without cutting words in JavaScript
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Lodash has a function specifically written for this: _.truncate
const truncate = _.truncate
const str = 'The quick brown fox jumps over the lazy dog'
truncate(str, {
length: 30, // maximum 30 characters
separator: /,?\.* +/ // separate by spaces, including preceding comma...
How to avoid warning when introducing NAs by coercion
... na = x %in% na.strings
x[na] = 0
x = as.numeric(x)
x[na] = NA_real_
x
}
as.num(c("1", "2", "X"), na.strings="X")
#[1] 1 2 NA
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How to make an introduction page with Doxygen
...tation - very useful for documentation that is necessary but that is not really appropriate to include with your source code (for example, an FAQ)
So I would recommend having a mainpage.dox (or similarly named) file in your project directory to introduce you SDK. Note that inside this file you need...
java.lang.UnsupportedClassVersionError: Bad version number in .class file?
...n I include an opensource library that I had to compile from source. Now, all the suggestions on the web indicate that the code was compiled in one version and executed in another version (new on old). However, I only have one version of JRE on my system. If I run the commands:
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Gradle store on local file system
... caches artifacts in USER_HOME/.gradle folder. The compiled scripts are usually in the .gradle folder in your project folder.
If you can't find the cache, maybe it's because you have not cached any artifacts yet. You can always see where Gradle has cached artifacts with a simple script:
apply plug...
Android and XMPP: Currently available solutions [closed]
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Edited comments > hi all > I am using asmack for developing my xmpp client,I am facing a problem > When i come from 1st time login I start my chatting with user B and receiving messages from user B also that is fine.i switch off my wifi and...
Append to a file in Go
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This answers works in 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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When and why to 'return false' in JavaScript?
...s, such as onsubmit, returning false is a way to tell the event to not actually fire. So, say, in the onsubmit case, this would mean that the form is not submitted.
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Cannot download Docker images behind a proxy
I installed Docker on my Ubuntu 13.10 (Saucy Salamander) and when I type in my console:
25 Answers
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What is the best way to check for Internet connectivity using .NET?
...google.com does not return some HTML :)
– Daniel Vassallo
Jan 9 '10 at 1:01
3
@Daniel: true on th...