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Is it good practice to NULL a pointer after deleting it?
... Imagaine a mainainer comming back a year later and seeing foo deleted. He now believes he can re-use the pointer unfortunately he may miss the second delete (it may not even be in the same function) and now the re-use of the pointer now gets trashed by the second delete. Any access after the second...
Chrome DevTools Devices does not detect device when plugged in
...e.
Definitely not as easy as I thought it would have been but at least it now works.
Update 24 February 2016
So I updated to Windows 10 and now have a Samsung Galaxy S5, devices running Chrome v48.0.2564.116 m and v48.0.2564.95 respectively. Followed the steps from the Google docs and...it didn't...
Convert Pandas column containing NaNs to dtype `int`
...
In v0.24, you can now do df = df.astype(pd.Int32Dtype()) (to convert the entire dataFrame, or) df['col'] = df['col'].astype(pd.Int32Dtype()). Other accepted nullable integer types are pd.Int16Dtype and pd.Int64Dtype. Pick your poison.
...
How can I beautify JavaScript code using Command Line?
...an mix and match Java and Javascript in your Rhino run scripts, so if you know a little Java it shouldn't be too hard to get this running with text-streams as well.
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How to Loop through items returned by a function with ng-repeat?
...latter case, the error "10 $digest() iterations reached." will be logged.
Now about ngRepeat. For each watch.get call it stores objects from collection (returning value of getEntities) with additional information in cache (HashQueueMap by hashKey). For every watch.get call ngRepeat tries to get obj...
Apply .gitignore on an existing repository already tracking large number of files
...ndex, then just run:
git add .
Commit it:
git commit -m ".gitignore is now working"
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Unable to type in Visual Studio
...ws button + R
Type %temp% in the text box.
Press enter
Run window image
Now you will see your all temp file. Just press Ctrl+A to select all files
in the temp folder. Now delete all of them. some files will not be deleted. Just skip them.
Now Open Your visual studio and try to edit syntax. I hop...
Save icon: Still a floppy disk? [closed]
...once people start forgetting what they look like (or never knew). The icon nowadays represents the concept of saving more than it represents floppy disks anyway.
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Is using Random and OrderBy a good shuffle algorithm?
...dex];
elements[swapIndex] = elements[i];
}
}
This will now only do as much work as it needs to.
Note that in both cases, you need to be careful about the instance of Random you use as:
Creating two instances of Random at roughly the same time will yield the same sequence of ra...
Java Reflection: How to get the name of a variable?
...s added to Java 8. Parameter (a special class of local variable) names are now available via reflection. Among other purposes, this can help to replace @ParameterName annotations used by dependency injection containers.
shar...