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postgresql list and order tables by size
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This will be more clear.
pg_size_pretty(<numeric_value>) - converts no.of bytes to human-readable format.
pg_database_size(<db_name>) - gets database size in bytes.
pg_total_relation_size(<relation_name>) - gets total size of table and its index in bytes.
pg_relation_s...
What is the default access specifier in Java?
I just started reading a Java book and wondered; which access specifier is the default one, if none is specified?
12 Answer...
console.log timestamps in Chrome?
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I convert arguments to Array using Array.prototype.slice so that I can concat with another Array of what I want to add, then pass it into console.log.apply(console, /*here*/);
var log = function () {
return console.log.app...
WHERE vs HAVING
...ns you create yourself (for example select 1 as "number" ) after HAVING and not WHERE in MySQL?
7 Answers
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Parsing CSV files in C#, with header
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Let a library handle all the nitty-gritty details for you! :-)
Check out FileHelpers and stay DRY - Don't Repeat Yourself - no need to re-invent the wheel a gazillionth time....
You basically just need to define that shape of your data - ...
Classes vs. Modules in VB.NET
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When one of my VB.NET classes has all shared members I either convert it to a Module with a matching (or otherwise appropriate) namespace or I make the class not inheritable and not constructable:
Public NotInheritable Class MyClass1
Private Sub New()
'Contains only shared me...
What does .class mean in Java?
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And how does Android handle new Intent(this, Activity.class? Will it try to find out class Activity by comparing each class?
– Zhipeng YANG
Sep 21 '16 at 13:28
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Random number generation in C++11: how to generate, how does it work? [closed]
I recently came across new way to generate random numbers in C++11, but couldn't digest the papers that I read about it (what is that engine , maths term like distribution , "where all integers produced are equally likely ").
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Why are mutable structs “evil”?
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So if you change a copy you are changing only that copy, not the original and not any other copies which might be around.
If your struct is immutable then all automatic copies resulting from being passed by value will be the same.
If you want to change it you have to consciously do it by creating...
jQuery document.createElement equivalent?
... You'll find that document.createElement is much faster than having jQuery convert your html string into an element. (just in case you have an urge to make things more efficient)
– Sugendran
Nov 7 '08 at 7:19
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