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Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K
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184
When you do len(df['column name']) you are just getting one number, namely the number of rows ...
Syntax of for-loop in SQL Server
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216
T-SQL doesn't have a FOR loop, it has a WHILE loop
WHILE (Transact-SQL)
WHILE Boolean_expressi...
Add new value to an existing array in JavaScript [duplicate]
...ular javascript
var arr = new Array();
// or var arr = [];
arr.push('value1');
arr.push('value2');
Note: In javascript, you can also use Objects as Arrays, but still have access to the Array prototypes. This makes the object behave like an array:
var obj = new Object();
Array.prototype.push.call...
Javascript Drag and drop for touch devices [closed]
...emove",
touchend: "mouseup"
}[event.type], true, true, window, 1,
touch.screenX, touch.screenY,
touch.clientX, touch.clientY, false,
false, false, false, 0, null);
touch.target.dispatchEvent(simulatedEvent);
event.preventDefault();
}
function init() {
...
How to cast int to enum in C++?
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int i = 1;
Test val = static_cast<Test>(i);
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Select all elements with “data-” attribute without using jQuery
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answered Aug 16 '11 at 20:29
JoeJoe
70.8k1717 gold badges121121 silver badges139139 bronze badges
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Rails :include vs. :joins
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180
It appears that the :include functionality was changed with Rails 2.1. Rails used to do the j...
Why does this Java program terminate despite that apparently it shouldn't (and didn't)?
...ron microscope went over its boundary, and after a chain of events I lost $12 million of equipment. I've narrowed down over 40K lines in the faulty module to this:
...
How to rename items in values() in Django?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered May 15 '12 at 10:45
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