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Removing MySQL 5.7 Completely [closed]
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What about also deleting the user group?
– Ty.
Sep 30 '14 at 3:59
10
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python .replace() regex [duplicate]
...ng. If you need to analyze the match to extract information about specific group captures, for instance, you can pass a function to the string argument. more info here.
Examples
>>> import re
>>> re.sub(r'a', 'b', 'banana')
'bbnbnb'
>>> re.sub(r'/\d+', '/{id}', '/andre/...
ServiceStack vs ASP.Net Web API [closed]
...o the above a treasure trove of information is contained within the Google Group which has expanded quite considerably in recent years.
Runs Everywhere
ServiceStack is a .NET 3.5 framework that runs on ASP.NET and HttpListener hosts and can be hosted on either .NET or Mono (trivia: www.servicestac...
How to create user for a db in postgresql? [closed]
...rd'
| VALID UNTIL 'timestamp'
| IN ROLE role_name [, ...]
| IN GROUP role_name [, ...]
| ROLE role_name [, ...]
| ADMIN role_name [, ...]
| USER role_name [, ...]
| SYSID uid
Then grant the user rights on a specific database :
http://www.postgresql.org/docs/current/sta...
Is there a MySQL option/feature to track history of changes to records?
...tore a sequence number ('revision'), which increments per operation and is grouped by the primary key column of the data table.
To do this sequencing behavior a two column (composite) index is created on the primary key column and revision column. Note that you can only do sequencing in this fashi...
Please explain the exec() function and its family
...e ls program is executed with the process id, current working dir and user/group (access rights) of the process that called execl. Afterwards, the original program is not running anymore.
To start a new process, the fork system call is used. To execute a program without replacing the original, you ...
How to clear all s’ contents inside a parent ?
...e all element, Use this code:
$('#target_id').remove();
i and jQuery group not recommend for use SET FUNCTION like .html() .attr() .text() , what is that? it's IF YOU WANT TO SET ANYTHING YOU NEED
ref :https://learn.jquery.com/using-jquery-core/manipulating-elements/
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Why were pandas merges in python faster than data.table merges in R in 2012?
...ure you check this out: github.com/Rdatatable/data.table/wiki/Benchmarks-:-Grouping
– Merik
Sep 9 '15 at 22:07
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show 3 more comments
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Days between two dates? [duplicate]
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Do you mean full calendar days, or groups of 24 hours?
For simply 24 hours, assuming you're using Python's datetime, then the timedelta object already has a days property:
days = (a - b).days
For calendar days, you'll need to round a down to the nearest da...
Iterator invalidation rules
... member function - Erases all but the first element from every consecutive group of equal elements referred to by the iterator i in the range [first + 1, last) for which *i == *(i-1) (for the version of unique with no arguments) or pred(*i, *(i - 1)) (for the version of unique with a predicate argum...