大约有 15,210 项符合查询结果(耗时:0.0291秒) [XML]

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Best practice? - Array/Dictionary as a Core Data Entity Attribute [closed]

... lot of data to/from the data store (if it's an SQLite data store) just to read or modify a small part of the collection. The alternative is to use Core Data to-many relationships to model the semantics of the array or dictionary collection. Arrays are easier, so lets start with that. Core Data to-...
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Concatenating multiple text files into a single file in Bash

... @rmeador yes, that is true, if all.txt already exists you will have this problem. This problem is solved by providing the output file with a different extension, or moving all.txt to a different folder. – Robert Greiner Jan 28...
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How to display Toast in Android?

... Read the documentation, you will only choose either Toast.LENGTH_SHORT or Toast.LENGTH_LONG for the message duration. – Jorgesys Jan 16 '14 at 21:35 ...
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Best way to repeat a character in C#

...could just iterate item by item. Thank you for the link, I will ggive it a read! – Marie Mar 27 '19 at 14:14 add a comment  |  ...
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Increase font size chrome console

...l the other UI elements as well and effectively decreasing total available reading space. – Aditya M P Jan 27 '19 at 7:57 add a comment  |  ...
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How can I remove the top and right axis in matplotlib?

... Make sure you read the warning at matplotlib.sourceforge.net/mpl_toolkits/axes_grid/users/… about tick-mark support being incomplete before you try and use the above with e.g rotated labels though! – timday ...
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How to leave/exit/deactivate a Python virtualenv

...apper and maybe Doug Hellmann would consider it! Note, for those who might read these comments later, that workon is NOT a native virtualenv command (which is what the original question is about) but a virtualenvwrapper command! – Brandon Rhodes Jun 29 '13 at 2...
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How do I prevent commands from showing up in Bash history?

...ed. If HISTCONTROL is unset, or does not include a valid value, all lines read by the shell parser are saved on the history list, subject to the value of HISTIGNORE. The second and subsequent lines of a multi-line compound command are not tested, and are added to the history regardless of the ...
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How can I create a Makefile for C projects with SRC, OBJ, and BIN subdirectories?

...e more specific? Do you mean adding -l ... to the CFLAGS and ... there's already the -o argument to the linker (LINKER) – Yanick Rochon Aug 10 '11 at 1:03 ...
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How to specify in crontab by what user to run script? [closed]

...'t work with crontab -e, but only works if you edit /etc/crontab directly. Read the comment at the top of this file for more information. – imgx64 Jun 11 '13 at 18:23 5 ...