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Change one value based on another value in pandas
I'm trying to reprogram my Stata code into Python for speed improvements, and I was pointed in the direction of PANDAS. I am, however, having a hard time wrapping my head around how to process the data.
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Can I query MongoDB ObjectId by date?
I know that ObjectIds contain the date they were created on. Is there a way to query this aspect of the ObjectId?
12 Answer...
How to use querySelectorAll only for elements that have a specific attribute set?
I'm trying to use document.querySelectorAll for all checkboxes that have the value attribute set.
3 Answers
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Select last row in MySQL
How can I SELECT the last row in a MySQL table?
10 Answers
10
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How do I create a foreign key in SQL Server?
...ed" object creation code for SQL Server and foreign key decleration is seemingly different between SQL Server and Postgres. Here is my sql so far:
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Android - Dynamically Add Views into View
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Use the LayoutInflater to create a view based on your layout template, and then inject it into the view where you need it.
LayoutInflater vi = (LayoutInflater) getApplicationContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
Vie...
How to convert JSON string to array
What I want to do is the following:
14 Answers
14
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Disable button in jQuery
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Use .prop instead (and clean up your selector string):
function disable(i){
$("#rbutton_"+i).prop("disabled",true);
}
generated HTML:
<button id="rbutton_1" onclick="disable(1)">Click me</button>
<!-- wrap your o...
How to sort with lambda in Python
In Python, I am trying to sort by date with lambda. I can't understand my error message. The message is:
4 Answers
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What's the difference between an id and a class?
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ids must be unique where as class can be applied to many things. In CSS, ids look like #elementID and class elements look like .someClass
In general, use id whenever you want to refer to a specific element and class when you have a number of things that are all alike. For instance, ...