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Check synchronously if file/directory exists in Node.js
... Note that fs.exists() is deprecated, but fs.existsSync() is not. (The
callback parameter to fs.exists() accepts parameters that are
inconsistent with other Node.js callbacks. fs.existsSync() does not
use a callback.)
You've specifically asked for a synchronous check, but if you can use an ...
Access Enum value using EL with JSTL
I have an Enum called Status defined as such:
13 Answers
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What is the non-jQuery equivalent of '$(document).ready()'?
...library. Someone extracted just the ready part from jQuery. Its nice and small and you might find it useful:
domready at Google Code
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How to add a button to PreferenceScreen
...istView in your layout and give it the ID @android:id/list.
Let's say we call the layout file res/layout/main.xml. It could look something like this:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layou...
How to recursively download a folder via FTP on Linux [closed]
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You could rely on wget which usually handles ftp get properly (at least in my own experience). For example:
wget -r ftp://user:pass@server.com/
You can also use -m which is suitable for mirroring. It is currently equivalent to -r -N -l inf.
If you've so...
Combined area of overlapping circles
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Find all circle intersections on the outer perimeter (e.g. B,D,F,H on the following diagram). Connect them together with the centres of the corresponding circles to form a polygon. The area of the union of the circles is the area ...
Initialize class fields in constructor or at declaration?
...as we don't comment each foreach loop with "this repeats the following for all items in the list", we don't need to constantly restate C#'s default values. We also don't need to pretend that C# has uninitialized semantics. Since the absence of a value has a clear meaning, it's fine to leave it out. ...
check android application is in foreground or not? [duplicate]
I went through a lot of answers for this question.But it's all about single activity..How to check whether the whole app is running in foreground or not ?
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Should I put the Google Analytics JS in the or at the end of ?
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Yes, it's fine to do so; I actually have a mix, but have mostly migrated to putting it on the top for the reasons mentioned.
– Chris Arguin
Jul 4 '10 at 12:46
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Easiest way to compare arrays in C#
In Java, Arrays.equals() allows to easily compare the content of two basic arrays (overloads are available for all the basic types).
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