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Get names of all keys in the collection

... You could do this with MapReduce: mr = db.runCommand({ "mapreduce" : "my_collection", "map" : function() { for (var key in this) { emit(key, null); } }, "reduce" : function(key, stuff) { return null; }, "out": "my_collection" + ...
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Sending HTML email using Python

...email: Examples: Here’s an example of how to create an HTML message with an alternative plain text version: #! /usr/bin/python import smtplib from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText # me == my email address # you == recipient's email address me ...
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How to declare string constants in JavaScript? [duplicate]

... Many browsers' implementations (and Node) have constants, used with const. const SOME_VALUE = "Your string"; This const means that you can't reassign it to any other value. Check the compatibility notes to see if your targeted browsers are supported. Alternatively, you could also mod...
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Adding new column to existing DataFrame in Python pandas

I have the following indexed DataFrame with named columns and rows not- continuous numbers: 24 Answers ...
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HTML input - name vs. id [duplicate]

...aScript and PHP can see the URL there are workarounds Is referenced in JS with getElementsByName() Shares the same namespace as the id attribute Must begin with a letter According to specs is case sensitive, but most modern browsers don't seem to follow this Used on form elements to submit informati...
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Does this app use the Advertising Identifier (IDFA)? - AdMob 6.8.0

...pp users IDFA. I'm using the latest Admob SDK or 6.8.0 and I don't know if it uses IDFA or not, and if it does which check boxes should I hit X.X ...
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Converting strings to floats in a DataFrame

...es conversion (or set's to nan) This will work even when astype will fail; its also series by series so it won't convert say a complete string column In [10]: df = DataFrame(dict(A = Series(['1.0','1']), B = Series(['1.0','foo']))) In [11]: df Out[11]: A B 0 1.0 1.0 1 1 foo In [12]...
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How to add title to subplots in Matplotlib?

... ax.title.set_text('My Plot Title') seems to work too. fig = plt.figure() ax1 = fig.add_subplot(221) ax2 = fig.add_subplot(222) ax3 = fig.add_subplot(223) ax4 = fig.add_subplot(224) ax1.title.set_text('First Plot') ax2.title.set_...
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What does FETCH_HEAD in Git mean?

git pull --help says: 6 Answers 6 ...
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How to quickly edit values in table in SQL Server Management Studio?

Aside from context menu -> "Edit Top 200 Rows" from Object Explorer, is there a quick way to open a table in Edit mode where I can just quickly modify the value of a cell? ...