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Best way to store time (hh:mm) in a database

...e, but what's the best way to do this without storing more info than I actually need? 15 Answers ...
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Creating a Pandas DataFrame from a Numpy array: How do I specify the index column and column headers

...u could do it like this: import pandas import numpy dtype = [('Col1','int32'), ('Col2','float32'), ('Col3','float32')] values = numpy.zeros(20, dtype=dtype) index = ['Row'+str(i) for i in range(1, len(values)+1)] df = pandas.DataFrame(values, index=index) ...
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How to disable word-wrap in Xcode 4 editor?

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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How to fix java.net.SocketException: Broken pipe?

I am using apache commons http client to call url using post method to post the parameters and it is throwing the below error rarely. ...
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Save ArrayList to SharedPreferences

...Set the values Set<String> set = new HashSet<String>(); set.addAll(listOfExistingScores); scoreEditor.putStringSet("key", set); scoreEditor.commit(); You can also serialize your ArrayList and then save/read it to/from SharedPreferences. Below is the solution: EDIT: Ok, below is the sol...
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Why is reading lines from stdin much slower in C++ than Python?

...tl;dr: Because of different default settings in C++ requiring more system calls. By default, cin is synchronized with stdio, which causes it to avoid any input buffering. If you add this to the top of your main, you should see much better performance: std::ios_base::sync_with_stdio(false); Normall...
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How to use MDC with thread pools?

....util.Timer classes along with some self-rolled async execution services. All these services manage their own thread pool. ...
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How to check whether an array is empty using PHP?

... is empty. } If you need to clean out empty values before checking (generally done to prevent explodeing weird strings): foreach ($playerlist as $key => $value) { if (empty($value)) { unset($playerlist[$key]); } } if (empty($playerlist)) { //empty array } ...
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Download data url file

... just drag their zip directly into the browser and it'll let them download all the files within. They can also create new zip files by dragging individual files in. ...
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Python in Xcode 4+?

...d it out! The steps make it look like it will take more effort than it actually does. These instructions are for creating a project from scratch. If you have existing Python scripts that you wish to include in this project, you will obviously need to slightly deviate from these instructions. If yo...