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When to Redis? When to MongoDB? [closed]
What I want is not a comparison between Redis and MongoDB. I know they are different; the performance and the API is totally different.
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What happens to a detached thread when main() exits?
... joined again" is:
Yes, with the *_at_thread_exit family of functions (notify_all_at_thread_exit(), std::promise::set_value_at_thread_exit(), ...).
As noted in footnote [2] of the question, signalling a condition variable or a semaphore or an atomic counter is not sufficient to join a detached thr...
Does Git warn me if a shorthand commit ID can refer to 2 different commits?
If cee157 can refer to 2 different commit IDs, such as
2 Answers
2
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How are msys, msys2, and msysgit related to each other?
...ng on with these 3 versions of MSYS. (It's entirely possible I just don't know what to look for.) I do understand that MSYS is a minimal port of Linux tools to support development using MinGW, but I'm not clear on the relationship between the three of them or the teams that developed/maintain them.
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Programmatically fire button click event?
...nswer, but more flexible as it'll keep track of the buttons actual actions if you change them or add more than one.
[button sendActionsForControlEvents:UIControlEventTouchUpInside];
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improv...
postgresql list and order tables by size
...c'
order by 2
This shows you the size of all tables in the schema public if you have multiple schemas, you might want to use:
select table_schema, table_name, pg_relation_size('"'||table_schema||'"."'||table_name||'"')
from information_schema.tables
order by 3
SQLFiddle example: http://sqlfiddl...
Reshaping data.frame from wide to long format
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,then that's good for me, don't know id.vars and the measure.vars can be specified in the first alternative,sorry for the mess, its my fault.
– Jason Goal
Oct 20 '17 at 5:34
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ThreadStatic v.s. ThreadLocal: is generic better than attribute?
...s defined using attribute while ThreadLocal<T> uses generic.
Why different design solutions were chosen?
What are the advantages and disadvantages of using generic over attributes in this case?
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Pass Array Parameter in SqlCommand
... /// <param name="dbType">One of the System.Data.SqlDbType values. If null, determines type based on T.</param>
/// <param name="size">The maximum size, in bytes, of the data within the column. The default value is inferred from the parameter value.</param>
public s...
How to check if a String contains another String in a case insensitive manner in Java?
...uote(wantedStr), Pattern.CASE_INSENSITIVE).matcher(source).find();
EDIT: If s2 contains regex special characters (of which there are many) it's important to quote it first. I've corrected my answer since it is the first one people will see, but vote up Matt Quail's since he pointed this out.
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