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hadoop No FileSystem for scheme: file
... before doing anything FileSystem-related, we call this:
hadoopConfig.set("fs.hdfs.impl",
org.apache.hadoop.hdfs.DistributedFileSystem.class.getName()
);
hadoopConfig.set("fs.file.impl",
org.apache.hadoop.fs.LocalFileSystem.class.getName()
);
Update: the correct f...
How to set initial size of std::vector?
...of items in the vector and I need fast access, so I don't use list. How to set initial size of vector (for example to be 20 000 places, so to avoid copy when I insert new)?
...
Exit Shell Script Based on Process Exit Code
...ode of the last process in the pipeline.
Another approach is to do this:
set -e
set -o pipefail
If you put this at the top of the shell script, it looks like bash will take care of this for you. As a previous poster noted, "set -e" will cause bash to exit with an error on any simple command. "...
How to Set Opacity (Alpha) for View in Android
...a TextView. I was able to solve it, by extending TextView and overriding onSetAlpha. Maybe you could try something similar with your button:
import android.content.Context;
import android.util.AttributeSet;
import android.widget.TextView;
public class AlphaTextView extends TextView {
public Alp...
Using Vim's persistent undo?
... call system('mkdir ' . myUndoDir)
let &undodir = myUndoDir
set undofile
endif
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Is it good practice to NULL a pointer after deleting it?
...
Setting a pointer to 0 (which is "null" in standard C++, the NULL define from C is somewhat different) avoids crashes on double deletes.
Consider the following:
Foo* foo = 0; // Sets the pointer to 0 (C++ NULL)
delete foo; ...
Connect Device to Mac localhost Server? [closed]
...-FI on my Mac and then turned it on again, which solved the problem. Click Settings > Turn WI-FI Off.
I tested it by going to Safari on my iPhone and entering my host name or IP address. For example:
http://<name>.local or http://10.0.1.5
...
How do I set the request timeout for one controller action in an asp.net mvc application
...
You can set this programmatically in the controller:-
HttpContext.Current.Server.ScriptTimeout = 300;
Sets the timeout to 5 minutes instead of the default 110 seconds (what an odd default?)
...
Can I try/catch a warning?
...
Set and restore error handler
One possibility is to set your own error handler before the call and restore the previous error handler later with restore_error_handler().
set_error_handler(function() { /* ignore errors */ })...
Datatype for storing ip address in SQL Server
... , @colIndex = CHARINDEX(@delim, @ipAddress, @colIndex + 1)
SET @colIndex = CHARINDEX(@delim, @ipAddress)
IF @colIndex = 0
RETURN NULL
END
SET @ipAddress = @ipAddress + @delim
WHILE @colIndex > 0
BEGIN
SET @token = SUBSTRING(@...