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Can iterators be reset in Python?
Can I reset an iterator / generator in Python? I am using DictReader and would like to reset it to the beginning of the file.
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Add timestamps to an existing table
...pecified above, Rails will still treat these columns as timestamp columns, and update the values normally.
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Easy way to prevent Heroku idling?
... or less the same solution as Jesse but maybe more integrated to Heroku... And with a few perks (performance monitoring is just great).
Note: to all those saying it doesn't work: the important part in my answer is "availability monitor". Just installing the addon won't help. You also need to s...
Java ByteBuffer to String
... (2018): The edited sibling answer by @xinyongCheng is a simpler approach, and should be the accepted answer.
Your approach would be reasonable if you knew the bytes are in the platform's default charset. In your example, this is true because k.getBytes() returns the bytes in the platform's default...
GitHub “fatal: remote origin already exists”
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Ok that worked but then when I go to the next step and enter git push -u origin master into the terminal I get the following error: ERROR: Repository not found. fatal: The remote end hung up unexpectedly What does that mean?
– ppreyer
J...
Get column index from column name in python pandas
...when using .iloc operator, where you must pass only integers for both rows and columns.
– abe
Sep 8 '17 at 18:52
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C# Float expression: strange behavior when casting the result float to int
...ing (it's actually the value 61.99999809265137 when expressed as a double) and that your question is only about why two seemingly identical computations result in the wrong value.
The answer is that in the case of (int)(6.2f * 10), you are taking the double value 61.99999809265137 and truncating it...
How do I measure the execution time of JavaScript code with callbacks?
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Use the Node.js console.time() and console.timeEnd():
var i;
console.time("dbsave");
for(i = 1; i < LIMIT; i++){
db.users.save({id : i, name : "MongoUser [" + i + "]"}, end);
}
end = function(err, saved) {
console.log(( err || !saved )?"Error...
Numpy - add row to array
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edited Mar 15 at 19:34
Andrea Araldo
74688 silver badges1414 bronze badges
answered Oct 7 '10 at 12:14
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Is it possible to use JS to open an HTML select to show its option list? [duplicate]
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Unfortunately there's a simple answer to this question, and it's "No"
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