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date format yyyy-MM-ddTHH:mm:ssZ
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The accepted answer says to use format specifier "s" and append a Z on the end for UTC dates. That's all good and fine if you don't need the milliseconds, but if you want the milliseconds you have to use "o" like this answer shows. With "o", the milliseconds show up by defaul...
How can I extract a predetermined range of lines from a text file on Unix?
...tract a certain section of this file (i.e. the data for a single database) and place it in a new file. I know both the start and end line numbers of the data that I want.
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Write bytes to file
I have a hexadecimal string (e.g 0CFE9E69271557822FE715A8B3E564BE ) and I want to write it to a file as bytes. For example,
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Properties file in python (similar to Java Properties)
... let me add again that this is not the same. I cant speak for Java or Py3, and maybe it works for simple key/values. But the syntax for string interpolation is different. This solution provides Python formatting, ie. %(string)s while (for e.g. Ant) I would use ${string}. pymotw.com/2/ConfigParser
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How does Apple find dates, times and addresses in emails?
...n an email contains a date, time or location, the text becomes a hyperlink and it is possible to create an appointment or look at a map simply by tapping the link. It not only works for emails in English, but in other languages also. I love this feature and would like to understand how they do it.
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UITableView backgroundColor always gray on iPad
...the backgroundColor for my UITableView it works fine on iPhone (device and simulator) but NOT on the iPad simulator. Instead I get a light gray background for any color I set including groupTableViewBackgroundColor .
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How to check identical array in most efficient way? [duplicate]
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It's safest, fastest, more flexible, always accurate, and actually more "elegant" that the array.join() approach -- once the function is defined. It's also less memory intensive, if that becomes an issue.
– Brock Adams
Oct 26 '10 at 17:40
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Xcode crash when refreshing provisioning profiles
...out crashes. Every time I press the refresh button in organizer it crashes and I retrieve this line from the error log:
4 A...
How do I store an array in localStorage? [duplicate]
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localStorage only supports strings. Use JSON.stringify() and JSON.parse().
var names = [];
names[0] = prompt("New member name?");
localStorage.setItem("names", JSON.stringify(names));
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var storedNames = JSON.parse(localStorage.getItem("names"));
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Shell command to sum integers, one per line?
I am looking for a command that will accept (as input) multiple lines of text, each line containing a single integer, and output the sum of these integers.
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