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How to call a JavaScript function from PHP?
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As far as PHP is concerned (or really, a web server in general), an HTML page is nothing more complicated than a big string.
All the fancy work you can do with language like PHP - reading from databases and web services and all that - the...
Get index of element as child relative to parent
Let's say I have this markup:
6 Answers
6
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How to check whether a string is a valid HTTP URL?
There are the Uri.IsWellFormedUriString and Uri.TryCreate methods, but they seem to return true for file paths etc.
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How to prevent going back to the previous activity?
When the BACK button is pressed on the phone, I want to prevent a specific activity from returning to its previous one.
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How do I get the full path of the current file's directory?
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import os
os.path.abspath(os.getcwd())
Note that before and after file is two underscores, not just one.
Also note that if you are running interactively or have loaded code from something other than a file (eg: a database or online resource), __file__ may not be set since there is no notion of...
How do I delete multiple rows in Entity Framework (without foreach)
I'm deleting several items from a table using Entity Framework. There isn't a foreign key / parent object so I can't handle this with OnDeleteCascade.
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Git: “Not currently on any branch.” Is there an easy way to get back on a branch, while keeping the
... committed and have not changed anything since:
git log --oneline -n1 # this will give you the SHA
git checkout some-branch
git merge ${commit-sha}
If you have committed and then done extra work:
git stash
git log --oneline -n1 # this will give you the SHA
git checkout some-branch
git merge ${co...
Easy idiomatic way to define Ordering for a simple case class
I have a list of simple scala case class instances and I want to print them in predictable, lexicographical order using list.sorted , but receive "No implicit Ordering defined for ...".
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What's the difference between window.location= and window.location.replace()?
Is there a difference between these two lines?
2 Answers
2
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Detect if Android device has Internet connection
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You are right. The code you've provided only checks if there is a network connection.
The best way to check if there is an active Internet connection is to try and connect
to a known server via http.
public static boolean hasActiveInternetConnection(Context context) {
if (isNetwo...