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How do I check for nulls in an '==' operator overload without infinite recursion?
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Use ReferenceEquals. From the MSDN forums:
public static bool operator ==(Foo foo1, Foo foo2) {
if (ReferenceEquals(foo1, null)) return ReferenceEquals(foo2, null);
if (ReferenceEquals(foo2, null)) return false;
return foo1.field1 ==...
How to delete all files and folders in a directory?
Using C#, how can I delete all files and folders from a directory, but still keep the root directory?
29 Answers
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Is there an equivalent for the Zip function in Clojure Core or Contrib?
...anything. and the inputs do not need to be the same type. map creates seqs from them and then maps the seqs so any seq'able input will work fine.
(map list '(1 2 3) '(4 5 6))
(map list [1 2 3] '(4 5 6))
(map hash-map '(1 2 3) '(4 5 6))
(map hash-set '(1 2 3) '(4 5 6))
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How to capture a list of specific type with mockito
...it:
Take also a look at tenshis comment. You can change the original code from Paŭlo Ebermann to this (much simpler)
final ArgumentCaptor<List<SomeType>> listCaptor
= ArgumentCaptor.forClass((Class) List.class);
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Upload file to FTP using C#
...ad with FtpWebRequest
Uploading folder
If you want to upload all files from a folder, see
Upload directory of files to FTP server using WebClient.
For a recursive upload, see
Recursive upload to FTP server in C#
share
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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...