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Add new field to every document in a MongoDB collection
... you should use replace_one(), update_one(), or update_many() instead.
In my case I used update_many() and it solved my issue:
db.your_collection.update_many({}, {"$set": {"new_field": "value"}}, upsert=False, array_filters=None)
From documents
update_many(filter, update, upsert=False, array_f...
How to initialize all the elements of an array to any specific value in java
In C/C++ we have memset() function which can fulfill my wish but in Java how can i initialize all the elements to a specific value? Whenever we write int[] array=new int[10]; , this simply initialize an array of size 10 having all elements equal to zero. I just want to change this initializa...
How to render a PDF file in Android
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Taken from my blog:
public class MyPdfViewActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
WebView mWebView=new WebView(MyPdfViewActivity.this);...
How to set the matplotlib figure default size in ipython notebook?
...f them on Arch) and I have no file titled ipython_notebook_config.py under my ~. Any idea how things may have changed in the most recent versions?
– Pastafarianist
Sep 25 '17 at 13:28
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How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
...dard conda install... command to put packages from the distribution into my environments, but to use anything outside (i.e. Flask-WTF, flask-sqlalchemy, and alembic) I need to use pip install in the active environment. However, when I look at the contents of the environment, either in the direct...
Virtual Memory Usage from Java under Linux, too much memory used
...onment using a CF which has NO swap space. So based on your answer all of my VIRT, SWAP and nFLT values are from memory mapped files... which now makes sense to mew. Do you know if the SWAP value represent pages that have not yet been loaded into memory or pages that have been swapped out of memor...
Do you leave parentheses in or out in Ruby? [closed]
...y I do it. It's also to be merciful for anyone following me who has to use my code. In short, it's a maintenance thing.
– the Tin Man
Oct 17 '12 at 22:07
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What exactly does the .join() method do?
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list = ["my", "name", "is", "kourosh"]
" ".join(list)
If this is an input, using the JOIN method, we can add the distance between the words and also convert the list to the string.
This is Python output
'my name is kourosh'
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How to create unit tests easily in eclipse [closed]
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You can use my plug-in to create tests easily:
highlight the method
press Ctrl+Alt+Shift+U
it will create the unit test for it.
The plug-in is available here. Hope this helps.
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How do I load a file into the python console?
... statement:
from file import *
So, for example, if you had a file named my_script.py you'd load it like so:
from my_script import *
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