大约有 3,516 项符合查询结果（耗时：0.0175秒） [XML]
Neo4j - Cypher vs Gremlin query language
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Update from 2018 - given a large range of native index types in modern versions of neo4j, this answer is substantially out of date; neo4j has published performance numbers
– FrobberOfBits
Aug 1 '18 at 18:01
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How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]
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pyiso8601 has a very limited range of formats which it accepts. better use dateutil.parser --> "Currently the following formats are handled: 1) 2006-01-01T00:00:00Z 2) 2006-01-01T00:00:00[+-]00:00" Having [+-]0000 as tz-information is just as valid un...
Safest way to convert float to integer in python?
...here int(floor(2.3)) might be 1.
This post explains why it works in that range.
In a double, you can represent 32bit integers without any problems. There cannot be any rounding issues. More precisely, doubles can represent all integers between and including 253 and -253.
Short explanation: A dou...
Fastest way to check if string contains only digits
...*2; var ss = new SortedSet<string>(); //s = string.Concat(Enumerable.Range(0, 127).Select(i => ((char)i ^ '0') < 10 ? 1 : 0));
w.Restart(); for (int i = 0; i < r; i++) b = s.All(char.IsDigit); w.Stop(); ss.Add(w.Elapsed + ".All .IsDigit");
w.Restart(); for (int i = 0; i < ...
Validate a username and password against Active Directory?
...erwise invoking the Win32 LogonUser API call. The list below summarizes a range of common values with hex and decimal values:
525 user not found (1317)
52e invalid credentials (1326)
530 not permitted to logon at this time (1328)
531 not permitted to logon at this workstation...
Getting the location from an IP address [duplicate]
...might not even be valid (not assigned to anyone or outside valid public IP range).
– eselk
Apr 16 '14 at 19:32
On thei...
Which is faster: multiple single INSERTs or one multiple-row INSERT?
... the improvement drops off markedly, and somewhere in the n = 10 to n = 50 range the improvement becomes negligible.
Hope that helps people decide on (a) whether to use the multiprepare idea, and (b) how many VALUE blocks to create per statement (assuming you want to work with data that may be larg...
How to capitalize the first character of each word in a string
...er to crash:java.lang.StringIndexOutOfBoundsException: String index out of range: 0
– Chrizzz
Apr 9 '14 at 12:38
34
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how to schedule a job for sql query to run daily?
...t help for details on syntax of the individual stored procedures and valid range of parameters.
DECLARE @job_name NVARCHAR(128), @description NVARCHAR(512), @owner_login_name NVARCHAR(128), @database_name NVARCHAR(128);
SET @job_name = N'Some Title';
SET @description = N'Periodically do something'...
Accessing localhost (xampp) from another computer over LAN network - how to?
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Hi, what about a range of IP addresses for e.g. 192.168.1-100. How to set that?
– dkjain
Aug 29 '16 at 6:26
add a com...