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npm install vs. update - what's the difference?
... So what should I use, npm install or npm update? Or, in other words, I am now using npm install and it seems to do the updating as well, is there any reason why should I ever use npm update?
– Borek Bernard
Sep 18 '12 at 21:58
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using lodash .groupBy. how to add your own keys for grouped output?
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Using _.chain is considered a bad practice now.
– Pawel
Jan 5 '18 at 13:18
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How to migrate back from initial migration in Django 1.7?
I created a new app with some models and now I noticed that some of the models are poorly thought out. As I haven't committed the code the sensible thing would be to migrate the database to last good state and redo the migration with better models. In this case the last good state is database where ...
In R, how to get an object's name after it is sent to a function?
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R 3.6 update. There is now a little bit of a change to the behavior but it is still not fixed. print(test) produces test while test on the command line produces x (not test as you want). All these have the same behavior. print.foo=function(x){ prin...
Create a tag in a GitHub repository
..., you might want to fetch it into your local repository too:
git fetch
Now next time, you may want to create one more tag within the same release from website. For that follow these steps:
Go to release tab
Click on edit button for the release
Provide name of the new tag ABC_DEF_V_5_3_T_2 and...
How can I open a cmd window in a specific location?
...rectory/folder, do this:
Click on address bar, alternatively press Alt+D
Now when address bar is highlighted, type cmd in the bar.
Press Enter key
You will notice that command prompt from that folder
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Java NIO FileChannel versus FileOutputstream performance / usefulness
...same level, also many times the FileChannel way is slower. Can I please know more details comparing these two methods. Here is the code I used, the file that I am testing with is around 350MB . Is it a good option to use NIO based classes for File I/O, if I am not looking at random access or othe...
Should I use document.createDocumentFragment or document.createElement
...ragment itself is not inserted. The fragment itself continues to exist but now has no children.
This allows you to insert multiple nodes into the DOM at the same time:
var frag = document.createDocumentFragment();
var textNode = frag.appendChild(document.createTextNode("Some text"));
var br = frag...
What is ApplicationException for in .NET?
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The short answer is: nowhere.
It is a relic of the past, where Microsoft intended developers to inherit all their custom exceptions from ApplicationException. Shortly after, they changed their mind and advised that custom exceptions should deriv...
Transpose/Unzip Function (inverse of zip)?
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Known as zip_longest for python3 users.
– zezollo
Mar 8 '16 at 9:02
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