大约有 13,280 项符合查询结果（耗时：0.0330秒） [XML]
MongoDB/Mongoose querying at a specific date?
...second run:
{ "_id" : "1", "type":"x", "value":1.23, date : ISODate("2013-05-21T08:00:00Z")}
{ "_id" : "2", "type":"x", "value":1.23, date : ISODate("2013-05-21T17:00:00Z")}
We only need 1 of the 2 records, so had to resort the javascript to clean up the db. Our initial approach was going to be t...
Getting the client's timezone offset in JavaScript
... can't count on the constant indexes either. Mon Dec 02 2013 10:22:50 GMT-0500 (EST) : Chrome, FF, Safari; Mon Dec 2 10:22:50 EST 2013 : IE10
– adimauro
Dec 2 '13 at 15:32
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Parse JSON in TSQL
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Announcment: http://blogs.technet.com/b/dataplatforminsider/archive/2015/05/04/sql-server-2016-public-preview-coming-this-summer.aspx
Features blog post: http://blogs.msdn.com/b/jocapc/archive/2015/05/16/json-support-in-sql-server-2016.aspx
...
What is the iBeacon Bluetooth Profile
...e transmitted BLE advertisement packet looks like this:
d6 be 89 8e 40 24 05 a2 17 6e 3d 71 02 01 1a 1a ff 4c 00 02 15 e2 c5 6d b5 df fb 48 d2 b0 60 d0 f5 a7 10 96 e0 00 00 00 00 c5 52 ab 8d 38 a5
This packet can be broken down as follows:
d6 be 89 8e # Access address for advertising data (this i...
Why isn't String.Empty a constant?
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– Christopher Stevenson
May 17 '13 at 12:05
3
@JeffYates I'd add that the fact that it's not consisten...
Practical example where Tuple can be used in .Net 4.0?
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tanasciustanascius
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5
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How to resize a VirtualBox vmdk file
... else.
– k0pernikus
Jul 8 '15 at 11:05
2
Wow. I wasted hours trying and researching why the clone...
PHP convert date format dd/mm/yyyy => yyyy-mm-dd [duplicate]
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This looks okay but isn't. 05/04/2045 will assume American and give the 4th of May instead of the 4th of April. It's an intermittant and dangerous mistake - as per hjpotter. This answer should be marked as wrong.
– Tim Ogilvy
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Is there any performance gain in indexing a boolean field?
...ing.
– Viktor Joras
Jun 25 '19 at 5:05
WHERE my_col > 0 instead of my_col = 1 also seems to help speed
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How does strtok() split the string into tokens in C?
...stand
– IEatBagels
Jul 15 '14 at 23:05
1
A very important detail, missing from the line "the firs...