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Groovy Shell warning “Could not open/create prefs root node …”
...nnis answer is correct. However I would like to explain the solution in a bit more detailed way (for Windows User):
Go into your Start Menu and type regedit into the search field.
Navigate to path HKEY_LOCAL_MACHINE\Software\JavaSoft (Windows 10 seems to now have this here: HKEY_LOCAL_MACHINE\Soft...
tomcat - CATALINA_BASE and CATALINA_HOME variables
...have multiple instances of tomcat 6 running on the same server (Linux) and it works as expected. I am trying to find out what the standard practice is with regards to setting the CATALINA_HOME and CATALINA_BASE variables.
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difference between css height : 100% vs height : auto
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height: 100% gives the element 100% height of its parent container.
height: auto means the element height will depend upon the height of its children.
Consider these examples:
height: 100%
<div style="height: 50px">
<div id="innerDiv" style="height: 100%...
How to clone all repos at once from GitHub?
I have a company GitHub account and I want to back up all of the repositories within, accounting for anything new that might get created for purposes of automation. I was hoping something like this:
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Recursive sub folder search and return files in a list python
...mainfolder and build a list off a certain file type. I am having an issue with the script. Its currently set as follows
11 ...
WPF Application that only has a tray icon
...total WPF newbie and wonder if anyone could give me some pointers how to write an application that starts minimized to tray. The idea is that it periodically fetches an RSS Feed and creates a Toaster-Popup when there are new feeds.
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Why is creating a Thread said to be expensive?
...Java tutorials say that creating a Thread is expensive. But why exactly is it expensive? What exactly is happening when a Java Thread is created that makes its creation expensive? I'm taking the statement as true, but I'm just interested in mechanics of Thread creation in JVM.
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How to create a multi-tenant database with shared table structures?
...er from a misconception that only physical isolation can offer enough security.
There is an interesting MSDN article, titled Multi-Tenant Data Architecture, which you may want to check. This is how the authors addressed the misconception towards the shared approach:
A common misconception holds...
Read and write a String from text file
I need to read and write data to/from a text file, but I haven't been able to figure out how.
21 Answers
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Global variables in Javascript across multiple files
...e. Simply create a script tag above the include for helpers.js and define it there.
<script type='text/javascript' >
var myFunctionTag = false;
</script>
<script type='text/javascript' src='js/helpers.js'></script>
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<script type='text/javascript' >
// ...