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Detect whether there is an Internet connection available on Android [duplicate]
...er
= (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
return activeNetworkInfo != null && activeNetworkInfo.isConnected();
}
You will also need:
<uses-permission android:...
Rails 3 check if attribute changed
...mentation is really good, but it lets you do things such as:
@user.street1_changed? # => true/false
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What does Provider in JAX-RS mean?
...on 2.1 Final Release July 13, 2017) download.oracle.com/otn-pub/jcp/jaxrs-2_1-final-spec/…
– burntsugar
Jan 4 '19 at 0:57
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Insert a line break in mailto body
....com?subject=Request&body=Hi,%0DName:[your name] %0DGood day " target="_blank"></a>
Try adding %0D to break the line. This will definitely work.
Above code will display the following:
Hi,
Name:[your name]
Good day
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How can I check if the current date/time is past a set date/time?
...hat does function does it implement for this?
– still_dreaming_1
Sep 2 '17 at 3:57
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How do I verify that an Android apk is signed with a release certificate?
...t; jdk < bin path in cmd prompt)
$ jarsigner -verify -verbose -certs my_application.apk
If you see "CN=Android Debug", this means the .apk was signed with the debug key generated by the Android SDK
(means it is unsigned), otherwise you will find something for CN.
For more details see: http://d...
How to interpolate variables in strings in JavaScript, without concatenation?
...ible in javascript. You would have to resort to:
var hello = "foo";
var my_string = "I pity the " + hello;
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Attempt to set a non-property-list object as an NSUserDefaults
...ou read back the array you need to unarchive the NSData to get back your BC_Person objects.
Perhaps you want this:
- (void)savePersonArrayData:(BC_Person *)personObject {
[mutableDataArray addObject:personObject];
NSMutableArray *archiveArray = [NSMutableArray arrayWithCapacity:mutableDat...
How do I install from a local cache with pip?
...p news, version 0.1.4:
Added support for an environmental variable $PIP_DOWNLOAD_CACHE which will cache package downloads, so future installations won’t require large downloads. Network access is still required, but just some downloads will be avoided when using this.
To take advantage of th...
How to create a function in a cshtml template?
...e template files by putting the file with the @helper directive into an App_Code directory. Whereas, the @functions directive allows a function to be used only by the template that declares it.
– Jon Davis
Jul 4 '11 at 21:24
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