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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.
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Sort ArrayList of custom Objects by property
I read about sorting ArrayLists using a Comparator but in all of the examples people used compareTo which according to some research is a method for Strings.
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How do I escape ampersands in batch files?
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From a cmd:
& is escaped like this: ^& (based on @Wael Dalloul's answer)
% does not need to be escaped
An example:
start http://www.google.com/search?client=opera^&rls=en^&q=escape+ampersand%20and%20percentage+in+cmd^&sourceid=opera^&ie=utf-8^&oe=utf-8
Fro...
How can I send an inner to the bottom of its parent ?
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:) Actually i couldn't get how we are hacking IE with symbols, thats why i thought it is IE Hacking :)
– uzay95
Jan 27 '10 at 14:22
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PowerShell: Store Entire Text File Contents in Variable
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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")....
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...
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
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Proper REST response for empty table?
Let's say you want to get list of users by calling GET to api/users , but currently the table was truncated so there are no users. What is the proper response for this scenario: 404 or 204 ?
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Lost my schema.rb! Can it be regenerated?
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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
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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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