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How to check internet access on Android? InetAddress never times out
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- can't run on the UI thread
This works very reliably, on every device, and is very fast. It needs to run in a separate task though (e.g. ScheduledExecutorService or AsyncTask).
Possible Questions
Is it really fast enough?
Yes, very fast ;-)
Is there no reliable way to check internet, other t...
How to add 2 buttons into the UINavigationbar on the right side without IB?
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Nice and simple! I also included the existing right button (set in IB) UIBarButtonItem *btnCurrent = self.navigationItem.rightBarButtonItem;
– Duncan
Dec 4 '13 at 10:26
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git branch -d gives warning
Just want to get a better understanding of the warning message after I deleted a local branch
4 Answers
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Provisioning Profiles menu item missing from Xcode 5
...t in Xcode 5 I don't have a menu item for Library - Provisioning Profiles, and I don't know what could have happened. I restarted the computer, tried some things, but I really have no idea what I could do. How can I fix this problem?
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How to make script execution wait until jquery is loaded
... a subsequent script. Is there a way to check for the existence of jquery and if it doesn't exist, wait for a moment and then try again?
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How to set default values in Rails?
...ove the default"
end
end
Because ActiveRecord autodiscovers your table and column properties, this will cause the same default to be set in any model using it in any standard Rails app.
However, if you only want default values set in specific cases -- say, it's an inherited model that shares a ...
Passing ssh options to git clone
... SshOption2 Value2
The Host entry is what you’ll specify on the command line, and the HostName is the true hostname. They can be the same, or the Host entry can be an alias. The User entry is used if you do not specify user@ on the command line.
If you must configure this on the command line...
How to stretch the background image to fill a div
...ute positioning image as a first child of the (relative positioned) parent and stretching it to the parent size.
HTML
<div class="selector">
<img src="path.extension" alt="alt text">
<!-- some other content -->
</div>
Equivalent of CSS3 background-size: cover; :
To...
How to calculate the time interval between two time strings
I have two times, a start and a stop time, in the format of 10:33:26 (HH:MM:SS). I need the difference between the two times. I've been looking through documentation for Python and searching online and I would imagine it would have something to do with the datetime and/or time modules. I can't ge...
Align inline-block DIVs to top of container element
... either could be tallest then you should apply the property to both .small and .big.
.container{
border: 1px black solid;
width: 320px;
height: 120px;
}
.small{
display: inline-block;
width: 40%;
height: 30%;
border: 1px black solid;
background: aliceblue;
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