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Efficient evaluation of a function at every cell of a NumPy array

... @Peter: Ah, now I see that you have mentioned assigning the result back to the former array in your original question. I'm sorry I missed that when first reading it. Yeah, in that case the double loop must be faster. But have you also tr...
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How to get the start time of a long-running Linux process?

...iffies to seconds for details. awk -v ticks="$(getconf CLK_TCK)" 'NR==1 { now=$1; next } END { printf "%9.0f\n", now - ($20/ticks) }' /proc/uptime RS=')' /proc/12345/stat This should give you seconds, which you can pass to strftime() to get a (human-readable, or otherwise) timestamp. awk -v ...
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Calendar returns wrong month [duplicate]

...leDateFormat to get the String-representation of the month: Calendar rightNow = Calendar.getInstance(); java.text.SimpleDateFormat df1 = new java.text.SimpleDateFormat("MM"); java.text.SimpleDateFormat df2 = new java.text.SimpleDateFormat("MMM"); java.text.SimpleDateFormat df3 = new java.text.Simpl...
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Difference between DateTime and Time in Ruby

...rom Aristotle. When choosing one, the differences are somewhat subjective now. Historically DateTime has provided better options for manipulating it in a calendar fashion, but many of these methods have been ported over to Time as well, at least within the Rails environment. ...
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Android studio, gradle and NDK

...gration". I understood it to mean "a way to use the NDK with gradle" which now does exist, albeit none of them are fantastic solutions. However, based on your comment, it seems your team has something else in mind for what a true integration could be. I retract my previous statement. ...
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How to get the current date and time

... Please consider new Java8 APIs - LocalDateTime.now() and ZonedDateTime.now() – Oleg Mikheev Dec 9 '14 at 6:36 ...
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is there a css hack for safari only NOT chrome?

im trying to find a css hack for just safari NOT chrome, i know these are both webkit browsers but im having problems with div alignments in chrome and safari, each displays differently. ...
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Getting the first and last day of a month, using a given DateTime object

... I know I'm being picky here, but shouldn't lastDayofMonth be firstDayOfMonth.AddMonths(1).AddSeconds(-1);? – Karl Gjertsen Jan 5 '16 at 15:27 ...
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Is there a MySQL option/feature to track history of changes to records?

...ing relatively painless to implement - your existing code doesn't need to know about the triggers and audit stuff. If the business requirement is "show me what the state of the data was on a given date in the past", it means that the aspect of change over time has entered your solution. Whilst you...
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How to add 30 minutes to a JavaScript Date object?

.... * Example: dateAdd(new Date(), 'minute', 30) //returns 30 minutes from now. * https://stackoverflow.com/a/1214753/18511 * * @param date Date to start with * @param interval One of: year, quarter, month, week, day, hour, minute, second * @param units Number of units of the given interval...