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Why doesn't JavaScript support multithreading?
...however use, as was suggested, setTimeout to allow some sort of scheduling and “fake” concurrency. This causes the browser to regain control of the rendering thread, and start the JavaScript code supplied to setTimeout after the given number of milliseconds. This is very useful if you want to al...
How to tell if node.js is installed or not
I've recently installed node.js and I have no idea how to run applications. I installed node.js but couldn't find further instructions. What does one really need to do? I wanted to see if it was actually working. So I executed a script called hello.js. It went as such:
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How do I find where JDK is installed on my windows machine?
...ava -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java
If you are using Windows:
c:\> for %i in (java.exe) do @echo. %~$PATH:i
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Unzipping files in Python
I read through the zipfile documentation , but couldn't understand how to unzip a file, only how to zip a file. How do I unzip all the contents of a zip file into the same directory?
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CSS scrollbar style cross browser [duplicate]
...CSS scrollbar style cross browser? I tested this code, it only works in IE and opera, but failed in Chrome, Safari and Firefox.
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How to delete a character from a string using Python
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Given that the questioner is brand new to python, it might be worth noting that while in version 2.X python the "/" operator returns an integer (truncated towards zero), in version 3.X python you should use "//" instead. Also, the line from __future__ impo...
How can I keep Bootstrap popovers alive while being hovered?
I am using a Bootstrap popover to create a hover card showing user info, and I am triggering it on mouseover of a button. I want to keep this popover alive while the popover itself is being hovered, but it disappears as soon as the user stops hovering over the button. How can I do this?
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Relative paths based on file location instead of current working directory [duplicate]
...o is get the absolute path of the script (available via ${BASH_SOURCE[0]}) and then use this to get the parent directory and cd to it at the beginning of the script.
#!/bin/bash
parent_path=$( cd "$(dirname "${BASH_SOURCE[0]}")" ; pwd -P )
cd "$parent_path"
cat ../some.text
This will make your s...
Solving “The ObjectContext instance has been disposed and can no longer be used for operations that
...rties should be marked as virtual - EF creates proxy class for your entity and overrides navigation properties to allow lazy-loading. E.g. if you have this entity:
public class MemberLoan
{
public string LoandProviderCode { get; set; }
public virtual Membership Membership { get; set; }
}
En...
java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
...e database than cursors on the DB. One case is where you have a connection and thread pool larger than the number of cursors on the database.
You have many developers or applications connected to the same DB instance (which will probably include many schemas) and together you are using too many conn...