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What should I do if the current ASP.NET session is null?
...as not occurred in production, where it has run for years. The platform is Windows Server 2003 R2 SP2, the application has target framework .Net 3.5 and runs in IIS with session state enabled.
– R. Schreurs
Oct 9 '12 at 8:22
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Backing beans (@ManagedBean) or CDI Beans (@Named)?
...to CDI so you can just do @Named @ViewScoped, however that appends an ugly windowId request parameter to outcome URLs, also on plain vanilla page-to-page navigation. OmniFaces solves this all with a true CDI @ViewScoped which really ties the bean's scope to JSF view state instead of to an arbitrary ...
When to use DataContract and DataMember attributes?
...r return type, what data is serialized (turned into XML) to be exchanged.
Windows Communication Foundation (WCF) uses a serialization engine called the Data Contract Serializer by default to serialize and deserialize data (convert it to and from XML). All .NET Framework primitive types, such as int...
What is a serialVersionUID and why should I use it?
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You can tell Eclipse to ignore these serialVersionUID warnings:
Window > Preferences > Java > Compiler > Errors / Warnings > Potential Programming Problems
In case you didn't know, there are a lot of other warnings you can enable in this section (or even have some reporte...
Convert base64 string to ArrayBuffer
...Try this:
function _base64ToArrayBuffer(base64) {
var binary_string = window.atob(base64);
var len = binary_string.length;
var bytes = new Uint8Array(len);
for (var i = 0; i < len; i++) {
bytes[i] = binary_string.charCodeAt(i);
}
return bytes.buffer;
}
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bundler vs RVM vs gems vs RubyGems vs gemsets vs system ruby [closed]
...s of Gems. You can have different Ruby versions open in different terminal windows if you want, making it easy to test for compatibility.
Rule one when debugging is to make changes one at a time, which is true for learning to program or learning a new language. Don't be distracted, just keep it sim...
How to link godaddy domain with AWS Elastic Beanstalk environment?
...ervers:
In GoDaddy's Domain Manager export records via "Export Zone File (Windows)".
Import those records to Route 53 ("Import Zone File" button).
In GoDaddy's Domain Manager set custom DNS nameservers, obtained on the 2nd step:
Migrating might take some time (even days).
Now you can link you do...
Hide Twitter Bootstrap nav collapse on click
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FYI, this doesn't work in all cases. If the window is re sized and it brings up the mobile menu it will be open by default.
– Andrew Boes
Sep 13 '13 at 19:59
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How to remove/delete a large file from commit history in Git repository?
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On Windows I got fatal: bad revision 'rm', which I fixed by using " instead of '. Overall command: git filter-branch --force --index-filter "git rm --cached -r --ignore-unmatch oops.iso" --prune-empty --tag-name-filter cat -- --...
Call AngularJS from legacy code
...x application. All callbacks from the Flex app must be attached to the DOM window.
7 Answers
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