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What do the different readystates in XMLHttpRequest mean, and how can I use them?

...em except for 4. Some XMLHttpRequest implementations may let you see partially received responses in responseText when readyState==3, but this isn't universally supported and shouldn't be relied upon. share | ...
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Android: ProgressDialog.show() crashes with getApplicationContext

...t some of the code in the onCreate() is being run before the window is actually done being built. This is going to be a hack, but try launching a new Thread in a few hundred milliseconds (IIRC: 300-400 seemed to work for me, but you'll need to tinker) that opens your ProgressDialog and starts anythi...
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What's the best way to determine the location of the current PowerShell script?

...roperty for general scripts. I had the following line at the top of essentially every PowerShell script I had: $scriptPath = split-path -parent $MyInvocation.MyCommand.Definition share | improve t...
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Lost my schema.rb! Can it be regenerated?

... If you run a rake -T it will list all possible rake tasks for your Rails project. One of them is db:schema:dump which will recreate the schema.rb for the Rails app from the database. bundle exec rake db:schema:dump ...
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Connection to SQL Server Works Sometimes

... Thanks, this resolved the error for me. Interestingly, all the IP addresses were set to disabled (previously they were not). It would be good to know what can cause these to become disabled as I don't think the config will have been changed manually in my case... ...
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How to Avoid Response.End() “Thread was being aborted” Exception during the Excel file download

...esponse.End(); With this: HttpContext.Current.Response.Flush(); // Sends all currently buffered output to the client. HttpContext.Current.Response.SuppressContent = true; // Gets or sets a value indicating whether to send HTTP content to the client. HttpContext.Current.ApplicationInstance.Complet...
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PowerShell: Store Entire Text File Contents in Variable

... To get the entire contents of a file: $content = [IO.File]::ReadAllText(".\test.txt") Number of lines: ([IO.File]::ReadAllLines(".\test.txt")).length or (gc .\test.ps1).length Sort of hackish to include trailing empty line: [io.file]::ReadAllText(".\desktop\git-python\test.ps1")....
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Is It Possible to Sandbox JavaScript Running In the Browser?

...vaScript running in the browser to prevent access to features that are normally available to JavaScript code running in an HTML page. ...
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C++ Const Usage Explanation

...* const& means a reference to a constant pointer to a constant int. Usually pointers are not passed by reference; const int* & makes more sense because it would mean that the pointer could be changed during the method call, which would be the only reason I can see to pass a pointer by refere...
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How can I generate a list or array of sequential integers in Java?

...me functionality, in particular implementing Iterable<Integer> which allows foreach implementation in the same way as List<Integer>. In older versions (somewhere before Guava 14) you could use this: ImmutableList<Integer> integerList = Ranges.closedOpen(0, 10).asSet(DiscreteDomai...