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How to generate random SHA1 hash to use as ID in node.js?
...o create a HMAC-SHA1 hash?
I'd create a hash of the current timestamp + a random number to ensure hash uniqueness:
var current_date = (new Date()).valueOf().toString();
var random = Math.random().toString();
crypto.createHash('sha1').update(current_date + random).digest('hex');
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How to programmatically set the layout_align_parent_right attribute of a Button in Relative Layout?
...ayoutParams. You'll be using RelativeLayout.LayoutParams#addRule(int verb) and RelativeLayout.LayoutParams#addRule(int verb, int anchor)
You can get to it via code:
RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams)button.getLayoutParams();
params.addRule(RelativeLayout.ALIGN_PAREN...
Is it possible to start a shell session in a running container (without ssh)
I was naively expecting this command to run a bash shell in a running container :
15 Answers
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Making macOS Installer Packages which are Developer ID ready
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Our example project has two build targets: HelloWorld.app and Helper.app. We make a component package for each and combine them into a product archive.
A component package contains payload to be installed by the OS X Installer. Although a component
package can be installed on ...
jQuery select2 get value of select tag?
... $("#first").val(); will return 1,2,3 (which ever is selected) and can you post the code in function select2() for more details.
– somesh
Nov 11 '13 at 14:40
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JavaScript function in href vs. onclick
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The typical path these days is to use a javascript library (eg. jquery) and create an event handler using that library. It would look something like:
$('a').click( function(e) {e.preventDefault(); /*your_code_here;*/ return false; } );
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Android, How to limit width of TextView (and add three dots at the end of text)?
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Deprecated:
Add one more property android:singleLine="true" in your Textview
Updated:
android:ellipsize="end"
android:maxLines="1"
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'IF' in 'SELECT' statement - choose output value based on column values
I need amount to be amount if report.type='P' and -amount if report.type='N' . How do I add this to the above query?
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Cannot issue data manipulation statements with executeQuery()
In MySQL I have two tables, tableA and tableB . I am trying to execute two queries:
10 Answers
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Show/hide 'div' using JavaScript
For a website I'm doing, I want to load one div, and hide another, then have two buttons that will toggle views between the div using JavaScript.
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