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How do I get the currently displayed fragment?
I am playing with fragments in Android.
50 Answers
50
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What is the recommended way to delete a large number of items from DynamoDB?
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What I ideally want to do is call LogTable.DeleteItem(user_id) -
Without supplying the range, and have it delete everything for me.
An understandable request indeed; I can imagine advanced operations like these might get added o...
How to get full path of selected file on change of using javascript, jquery-ajax
... access to the File System, however using HTML5 File API, only Firefox provides a mozFullPath property, but if you try to get the value it returns an empty string:
$('input[type=file]').change(function () {
console.log(this.files[0].mozFullPath);
});
http://jsfiddle.net/SCK5A/
So don't waste...
How to use multiple AWS Accounts from the command line?
...es:
-K <private key>
-C <certificate>
You can put these inside aliases, e.g.
alias ec2-describe-instances1 ec2-describe-instances -K /path/to/key.pem
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Any way to limit border length?
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Hope this helps:
#mainDiv {
height: 100px;
width: 80px;
position: relative;
border-bottom: 2px solid #f51c40;
background: #3beadc;
}
#borderLeft {
border-left: 2px solid #f51c40;
position: absolute;
top: 50%;
bottom: 0;
}
<div id="mainDiv"...
Add querystring parameters to link_to
...ht. the new syntax is ` <%= link_to "Create Note", new_note_path(sender_id: @user.id) %>`
– gsumk
Sep 12 '19 at 22:09
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How can I create tests in Android Studio?
Just downloaded Android Studio which is based off of the Intellij Idea.
12 Answers
12
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Force update of an Android app when a new version is available
...solutely need the users to update to continue using the app, you could provide a simple versioning API. The API would look like this:
versionCheck API:
Request parameters:
int appVersion
Response
boolean forceUpgrade
boolean recommendUpgrade
When your app starts, you could call this API ...
Should each and every table have a primary key?
...y, rethink your design: most probably, you are missing something. Why keep identical records?
In MySQL, the InnoDB storage engine always creates a primary key if you didn't specify it explicitly, thus making an extra column you don't have access to.
Note that a primary key can be composite.
If y...
Capture HTML Canvas as gif/jpg/png/pdf?
...milar question. This has been revised:
var canvas = document.getElementById("mycanvas");
var img = canvas.toDataURL("image/png");
with the value in IMG you can write it out as a new Image like so:
document.write('<img src="'+img+'"/>');
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