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How to find the last field using 'cut'
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Using this solution, the number of fields can indeed be unknown and vary from time to time. However as line length must not exceed LINE_MAX characters or fields, including the new-line character, then an arbitrary number of fields can never be part as a real condition of this solution.
Yes, a ver...
Displaying Windows command prompt output and redirecting it to a file
... it will work, but you will get stuck if the command wait a input from stdin.
– Vitim.us
Apr 18 '13 at 16:03
5
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Display the current time and date in an Android application
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How efficient is this? Let's say you need to get time from a constantly firing method. Is there anything more efficient than creating a new Date object each time?
– keshav.bahadoor
Jun 25 '16 at 20:24
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How do you convert an entire directory with ffmpeg?
... would like to replace the string "x265" with "x264" if you're transcoding from H.265 to H.264 which is a common use case. for f in *.mkv; do ffmpeg -i "$f" -map 0 -movflags faststart -c:v libx264 -c:a copy -c:s copy "${f/x265/x264}"; done
– Travis Runyard
De...
RSA 算法是如何诞生的 - 创意 - 清泛网 - 专注C/C++及内核技术
...翻译成精通算法什么的…
The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography：中译本《密码故事》，除了密码从古至今的演变，书里还单独对 Ellis 和 Cocks 等人的工作做了详细的讲述。我还没看完这本书，但感觉会很...
UIBarButtonItem with custom image and no border
...ld be important, for example, if you wish to present a UIPopoverController from the bar button item. By subclassing UIBarButtonItem, you can add an ivar that retains the original target, allowing our subclass instances to intercept, modify, and forward the action message with the proper sender.
So...
Parsing query strings on Android
... @Will - well, I would never just trust copy-and-paste snippets I got from any website, and no one should. But here, these snippets are rather well reviewed and commented on and thus are really helpful, actually. Simply seeing some suggestions on what might be wrong with the code is already a g...
What's the use/meaning of the @ character in variable names in C#?
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Straight from the C# Language Specification, Identifiers (C#)
:
The prefix "@" enables the use of
keywords as identifiers, which is
useful when interfacing with other
programming languages. The character @
is not actually ...
What is a predicate in c#? [duplicate]
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+1 from me! By far the clearest answer on the page.
– Philip Wallace
Nov 10 '09 at 19:15
3
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Integer division: How do you produce a double?
...ve to guess, just check the JLS. int to double is a widening conversion. From §5.1.2:
Widening primitive conversions do not
lose information about the overall
magnitude of a numeric value.
[...]
Conversion of an int or a long value
to float, or of a long value to
double, may...