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How to implement a tree data-structure in Java? [closed]
...t; children;
}
}
That is a basic tree structure that can be used for String or any other object. It is fairly easy to implement simple trees to do what you need.
All you need to add are methods for add to, removing from, traversing, and constructors. The Node is the basic building block of ...
How to access component methods from “outside” in ReactJS?
... 2016-09-19: Changed example to use ref callback per guidance from the ref String attribute docs.
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How to get the index of an element in an IEnumerable?
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That's actually very cute, +1! It involves extra objects, but they should be relatively cheap (GEN0), so not a huge problem. The == might need work?
– Marc Gravell♦
Aug 17 '09 at 21:48
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Re-doing a reverted merge in Git
...n you're ready for it. The only downside here is that you'll a have a few extra merge/revert commits in your history.
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Facebook Graph API, how to get users email?
...o this if you are using Facebook connect by passing scope=email in the get string of your call to the Auth Dialog.
I'd recommend using an SDK instead of file_get_contents as it makes it far easier to perform the Oauth authentication.
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How do I assign a port mapping to an existing Docker container?
...) or hacking hostconfig.json file(at least not officially introduced). The extra container just exposes your business container's internal port, rather than makeing any changes to it.
– Sean C.
Mar 10 '18 at 10:59
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How to get a reference to current module's attributes in Python
... Excellent! This just allowed me to use the current module's docstring as a usage message - sys.modules[__name__].__doc__.
– george
Aug 1 '13 at 7:59
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Get free disk space
...
this works for me...
using System.IO;
private long GetTotalFreeSpace(string driveName)
{
foreach (DriveInfo drive in DriveInfo.GetDrives())
{
if (drive.IsReady && drive.Name == driveName)
{
return drive.TotalFreeSpace;
}
}
return -1;
...
How to use MDC with thread pools?
...tor {
final private boolean useFixedContext;
final private Map<String, Object> fixedContext;
/**
* Pool where task threads take MDC from the submitting thread.
*/
public static MdcThreadPoolExecutor newWithInheritedMdc(int corePoolSize, int maximumPoolSize, long kee...
The import android.support cannot be resolved
...4.jar file, usually the path for the Jar file is :
YOUR_DRIVE\android-sdks\extras\android\support\v4\android-support-v4.jar
After adding android-support-v4.jar Library, navigate to the Order and Export tab and put check mark on the android-support-v4 Library file.
After doing the above, Clean the P...