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Check synchronously if file/directory exists in Node.js
...nly want to know whether it exists, you can use path.existsSync (or with latest, fs.existsSync) as noted by user618408:
var path = require('path');
if (path.existsSync("/the/path")) { // or fs.existsSync
// ...
}
It doesn't require a try/catch but gives you no information about what the thing...
How to filter specific apps for ACTION_SEND intent (and set a different text for each app)
...areIntent = findTwitterClient();
shareIntent.putExtra(Intent.EXTRA_TEXT, "test");
startActivity(Intent.createChooser(shareIntent, "Share"));
Calling this method:
public Intent findTwitterClient() {
final String[] twitterApps = {
// package // name - nb installs (thousands)
...
Using Java 8's Optional with Stream::flatMap
...his another go.
A short answer:
You are mostly on a right track. The shortest code to get to your desired output I could come up with is this:
things.stream()
.map(this::resolve)
.filter(Optional::isPresent)
.findFirst()
.flatMap( Function.identity() );
This will fit all...
How do you organize your version control repository?
... Subversion) to that temporary directory, performs a clean build that runs tests and packages the deliverable. This shell script should work on any project and should be checked into source control as part of your "build tools" project. Your continuous integration server can use this script as its...
Passing arrays as parameters in bash
... -- This works, and all of these details seem to be needed based on my testing, but I would like to understand why!
– Jan Hettich
Nov 28 '10 at 2:31
8
...
How to set tbody height with overflow scroll
...ay evenly the cells , use table-layout:fixed;
DEMO
CSS for your HTML test :
table ,tr td{
border:1px solid red
}
tbody {
display:block;
height:50px;
overflow:auto;
}
thead, tbody tr {
display:table;
width:100%;
table-layout:fixed;/* even columns width , fix width o...
How to use HTML to print header and footer on every printed page of a document?
...
I tested it on Firefox and Chrome. On Firefox this solution works, on Chrome not.
– Jaro
May 29 '13 at 7:47
...
Why does Maven have such a bad rep? [closed]
...em, we had to rebuild from scrach rather often, reducing your code/compile/test cycle to an endless compile/websurf/sleep/die/code-cycle, sending you right back to the 90s and 40 minute compile times.
The only excuse for maven is the dependency resolution, but i would like to do that once in a whi...
Async/await vs BackgroundWorker
In the past few days I have tested the new features of .net 4.5 and c# 5.
4 Answers
4
...
How do I find Waldo with Mathematica?
...s light colored hair. Also, shape is only one indicator for each of these tests . . . color alone within the specified distance can give good results.
This will narrow down the areas to process.
Storing these results will produce a set of areas that should have Waldo in it. Exclude all other are...