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How to check whether a file or directory exists?
...swered May 9 '12 at 6:15
Denys SéguretDenys Séguret
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MQTT与TCP的区别 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...输大量数据；现场采集网关由于量大，考虑到采购成本，CPU和存储等计算资源都很有限；石油管道会穿越很多无人区，附近没有网络设施，因此使用卫星通讯最为经济；高轨道的GEO卫星站得高看得远，覆盖范围广，但轨道高延迟...
How to get the difference between two arrays in JavaScript?
... => bArray.some(b => a === b)), no?
– Jari Keinänen
May 24 '18 at 8:18
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Convert hex string to int
...ered Jun 25 '12 at 17:50
Denys SéguretDenys Séguret
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How can I set a custom date time format in Oracle SQL Developer?
... :
In : Tools > Preferences > Database > NLS
Or : Outils > Préférences > Base de donées > NLS
YYYY-MM-DD HH24:MI:SS
Note that the following format does not worked for me :
DD-MON-RR HH24:MI:SS
As a result, it keeps the default format, without any error.
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NameError: global name 'xrange' is not defined in Python 3
...nswered May 13 '19 at 15:48
Andrés GutiérrezAndrés Gutiérrez
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How do I sort a dictionary by value?
...d list of tuples kills the order again...
– Jean-François Fabre♦
Nov 25 '19 at 20:37
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Order of items in classes: Fields, Properties, Constructors, Methods
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@FrançoisWahl Is the overhead associated with the compiler combining partial classes into a single type that large?
– dav_i
Sep 4 '12 at 9:14
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How are zlib, gzip and zip related? What do they have in common and how are they different?
...le compression levels that allow trading off compression effectiveness for CPU time. zlib and PKZIP are not the only implementations of deflate compression and decompression. Both the 7-Zip archiving utility and Google's zopfli library have the ability to use much more CPU time than zlib in order to...
XSLT equivalent for JSON [closed]
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Link only answer
– Jean-François Fabre♦
Aug 4 '19 at 12:11
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