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Case-INsensitive Dictionary with string key-type in C#
...Rudolph
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1
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Scala: List[Future] to Future[List] disregarding failed futures
...equence(...) but there's a twist... The list I'm given usually has around 10-20 futures in it, and it's not uncommon for one of those futures to fail (they are making external web service requests). Instead of having to retry all of them in the event that one of them fails, I'd like to be able to g...
SELECT INTO using Oracle
... |
edited Dec 9 '19 at 10:48
answered Feb 12 '10 at 7:22
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Efficient SQL test query or validation query that will work across all (or most) databases
...ATION_SCHEMA.SYSTEM_USERS
or
CALL NOW()
HSQLDB (tested with version 1.8.0.10)
Note: I tried using a WHERE 1=0 clause on the second query, but it didn't work as a value for Apache Commons DBCP's validationQuery, since the query doesn't return any rows
VALUES 1 or SELECT 1 FROM SYSIBM.SYSDUMMY1
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Oracle 11.2.0.4 RAC FOR redhat 6.4 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...lhost localhost.localdomain localhost6 localhost6.localdomain6
172.16.110.100 dmjyrac1
172.16.110.101 dmjyrac1-vip
172.16.110.110 dmjyrac2
172.16.110.111 dmjyrac2-vip
172.16.110.102 dmjyrac-cluster dmjyrac-cluster-scan
10.10.120.100 dmjyrac1-priv
10.10.120.110 dm...
Multiline bash commands in makefile
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answered Apr 12 '12 at 10:13
Eldar AbusalimovEldar Abusalimov
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How can I increment a char?
...ord and chr functions:
>>> ord('c')
99
>>> ord('c') + 1
100
>>> chr(ord('c') + 1)
'd'
>>>
Python 3.x makes this more organized and interesting, due to its clear distinction between bytes and unicode. By default, a "string" is unicode, so the above works (ord r...
Fast permutation -> number -> permutation mapping algorithms
...n a binary number, 'xyz' means z + 2y + 4x. For a decimal number,
it's z + 10y + 100x. Each digit is multiplied by some weight, and the results are summed. The obvious pattern in the weight is of course that the weight is w = b^k, with b the base of the number and k the index of the digit. (I will a...
How do I get Month and Date of JavaScript in 2 digit format?
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Cool, but: function addZ(n){return n<10? '0'+n:''+n;} is a bit more generic.
– RobG
May 18 '11 at 6:19
9
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(Mac) -bash: __git_ps1: command not found
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On OSX 10.9 with git 1.8.5.3 installed via Homebrew, both git-prompt.sh and git-completion.bash are found in `brew --prefix git`/etc/bash_completion.d/.
– dokkaebi
Feb 10 '14 at 22:02
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