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Can not connect to local PostgreSQL
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This might well result in any attempt to find your config file failing.
http://www.postgresqlformac.com/server/howto_edit_postgresql_confi.html
Error messages:
User not found in pg_hba.conf
psql: FATAL: no pg_hba.conf entry for host "[local]", user "couling", database "main", SSL off
User...
How can I use “sizeof” in a preprocessor macro?
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Following snippets will produce no code if sizeof(someThing) equals PAGE_SIZE; otherwise they will produce a compile-time error.
1. C11 way
Starting with C11 you can use static_assert (requires #include <assert.h>).
Usage:
static_assert(sizeof(someThing) == PAGE_SIZE, "Data structure do...
How to order events bound with jQuery
...ot work any more since it uses this.data("events"), see here stackoverflow.com/questions/12214654/…
– Toskan
Mar 17 '14 at 1:09
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C# Sortable collection which allows duplicate keys
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Use your own IComparer!
Like already stated in some other answers, you should use your own comparer class. For this sake I use a generic IComparer class, that works with anything that implements IComparable:
/// <summary>
/// Comp...
How do I view an older version of an SVN file?
... is to use a program/app that makes it easy for you. I like to use trac : http://trac.edgewall.org/wiki/TracSubversion
It provides a great svn browser and makes it really easy to go back through your revisions.
It may be a little overkill to set this up for one specific revision you want to check...
Ora-00257 错误处理一列 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...列sqlplus assysdba报错ORA-12162切回系统确认系统当前的ORACLE_HOME和ORACLE_SID环境变量[oracle@asdlabdb01~]$echo$ORACLE_HOME空的[oracle...sqlplus /as sysdba
报错ORA-12162
切回系统
确认系统当前的ORACLE_HOME和ORACLE_SID环境变量
[oracle@asdlabdb01 ~]$ echo $ORA...
How to do relative imports in Python?
...answering the question.
The problem is that you're running the module as '__main__' by passing the mod1.py as an argument to the interpreter.
From PEP 328:
Relative imports use a module's __name__ attribute to determine that module's position in the package hierarchy. If the module's name does...
How do I find all files containing specific text on Linux?
... Note(especially for newbies): The quotation marks in the above command are important.
– madD7
Dec 22 '15 at 12:37
75
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Sort array of objects by single key with date value
...j = _.sortBy(arrObj,"updated_at");
_.sortBy() returns a new array
refer http://underscorejs.org/#sortBy and
lodash docs https://lodash.com/docs#sortBy
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Pythonic way to find maximum value and its index in a list?
...many options, for example:
import operator
index, value = max(enumerate(my_list), key=operator.itemgetter(1))
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