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How to define custom exception class in Java, the easiest way?
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@vulkanino: No. The default constructor is added by the compiler for every class that defines no constructor of its own. If you define an explicit constructor, you don't get the default even if the superclass has it, and if your class has no constructor, you get the default even i...
Wait for page load in Selenium
...ScriptExecutor)driver).ExecuteScript("return document.readyState").Equals("complete"));
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Node.js: what is ENOSPC error and how to solve?
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Run the below command to avoid ENOSPC:
echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p
For Arch Linux add this line to /etc/sysctl.d/99-sysctl.conf:
fs.inotify.max_user_watches=524288
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HTML5: Slider with two inputs possible?
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No, the HTML5 range input only accepts one input. I would recommend you to use something like the jQuery UI range slider for that task.
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What is a sealed trait?
...lternative to enums. Since they can be only extended in a single file, the compiler knows every possible subtypes and can reason about it.
For instance with the declaration:
sealed trait Answer
case object Yes extends Answer
case object No extends Answer
The compiler will emit a warning if a mat...
How to get the CPU Usage in C#?
...ading.Thread.Sleep call in-between (1000ms should suffice). See blogs.msdn.com/b/bclteam/archive/2006/06/02/618156.aspx for more information on why this is required, but the high level summary is that you need to two samples in order to calculate the value, and you need to give the OS a time to get ...
DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
...ut it's possible that the version you used before somehow defaulted to autocommit mode while the new version does not. The error might still have occurred, but you could more easily have missed it. It's also possible that data type conversion or something else has changed since the old version. R...
“405 method not allowed” in IIS7.5 for “PUT” method
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input type=“text” vs input type=“search” in HTML5
...or type="email" bringing up a special version of the keyboard, with @ and .com and the rest available.
On a cellphone, search could bring up an internal search applet, if they wanted.
On the other side, it helps current devs with css.
input[type=search]:after { content : url("magnifying-glass.gif...
How do I find out my python path using python?
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os.sep is incorrect, see stackoverflow.com/questions/1499019/…
– Mark Ransom
Sep 30 '09 at 16:03
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