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How to tell when UITableView has completed ReloadData?

...nvestigation, I find that the table view sends tableView:numberOfSections: and tableView:numberOfRowsInSection: to its data source before returning from reloadData. If the delegate implements tableView:heightForRowAtIndexPath:, the table view also sends that (for each row) before returning from rel...
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Pandas conditional creation of a series/dataframe column

...color'] = np.where(df['Set']=='Z', 'green', 'red') For example, import pandas as pd import numpy as np df = pd.DataFrame({'Type':list('ABBC'), 'Set':list('ZZXY')}) df['color'] = np.where(df['Set']=='Z', 'green', 'red') print(df) yields Set Type color 0 Z A green 1 Z B green 2 ...
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Linux vi arrow keys broken in insert mode

...s don't work in vi in insert mode at home, they just each insert a newline and a capital letter, like 'A'. Is there a way to fix that? ...
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How to get the first element of an array?

...x of 0. You know what they say about assumption... – Andy Aug 9 '15 at 16:19 16 @Andy There were...
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javax vs java package

What's the rationale behind the javax package? What goes into java and what into javax? 7 Answers ...
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What JSON library to use in Scala? [closed]

...rkson ± - Warning a nice library (built on top of Java Jackson) but now abandonware. If you are going to use this, probably follow the Scalding project's example and use the backchat.io fork sjson - By Debasish Ghosh lift-json - Can be used separately from the Lift project json4s ???? § ± - An ex...
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Asynchronous shell commands

I'm trying to use a shell script to start a command. I don't care if/when/how/why it finishes. I want the process to start and run, but I want to be able to get back to my shell immediately... ...
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postgresql - sql - count of `true` values

... This is a good hack and gets the right answer from me. I'll accept it unless someone comes up with a shorter solution? – EoghanM Mar 22 '11 at 20:24 ...
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break out of if and foreach

I have a foreach loop and an if statement. If a match is found i need to ultimately break out of the foreach. 4 Answers ...
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jQuery’s .bind() vs. .on()

...d from future versions at any time. There is no reason to keep using .bind and every reason to prefer .on instead. share | improve this answer | follow | ...