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When do we need curly braces around shell variables?
... # use the variable
${var} # same as above
${var}bar # expand var, and append "bar" too
$varbar # same as ${varbar}, i.e expand a variable called varbar, if it exists.
This has confused me sometimes - in other languages we refer to the variable in the same way, regardless of whether it's on ...
How to display count of notifications in app launcher icon [duplicate]
...hout custom launchers and touch interfaces) does not allow changing of the application icon, because it is sealed in the .apk tightly once the program is compiled. There is no way to change it to a 'drawable' programmatically using standard APIs. You may achieve your goal by using a widget instead o...
Configure Microsoft.AspNet.Identity to allow email address as username
I'm in the process of creating a new application and started out using EF6-rc1, Microsoft.AspNet.Identity.Core 1.0.0-rc1, Microsoft.AspNet.Identity.EntityFramework 1.0.0-rc1, Microsoft.AspNet.Identity.Owin 1.0.0-rc1, etc and with the RTM releases yesterday, I updated them via NuGet this evening to R...
How to access session variables from any class in ASP.NET?
I have created a class file in the App_Code folder in my application. I have a session variable
7 Answers
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How do you do Impersonation in .NET?
...t link from the Dutch programmer's blog was excellent. Much more intuitive approach to impersonation than the other techniques presented.
– code4life
Aug 22 '16 at 23:26
add a...
How to publish a website made by Node.js to Github Pages?
...only static HTML pages. No server side technology is supported, so Node.js applications won't run on GitHub pages. There are lots of hosting providers, as listed on the Node.js wiki.
App fog seems to be the most economical as it provides free hosting for projects with 2GB of RAM (which is pretty go...
How to check if a file exists in Documents folder?
I have an application with In-App Purchase, that when the user buy something, download one html file into the Documents folder of my app.
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How to hide keyboard in swift on pressing return key?
I am using UITextfied while clicking on textfied keyboard appear but when i pressed the return key, keyboard is not disappearing. I used the following code:
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Displaying the build date
I currently have an app displaying the build number in its title window. That's well and good except it means nothing to most of the users, who want to know if they have the latest build - they tend to refer to it as "last Thursday's" rather than build 1.0.8.4321.
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How to use ng-repeat without an html element
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While this might technically work, it's very disappointing that the answer for this common use case is that you have to inject arbitrary (otherwise unnecessary) markup. I have the same problem (repeated groups of rows -- one header TR with one or more child TRs, repeated a...