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Fastest way to check if string contains only digits
...nyone cares, this can certainly be reduced to a one-liner -> return str.All(c => c >= '0' && c <= '9');
– Jonesopolis
Feb 6 '14 at 14:07
18
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How do you find the sum of all the numbers in an array in Java?
I'm having a problem finding the sum of all of the integers in an array in Java. I cannot find any useful method in the Math class for this.
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How do you list all triggers in a MySQL database?
What is the command to list all triggers in a MySQL database?
4 Answers
4
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Find XOR of all numbers in a given range
You are given a large range [a,b] where 'a' and 'b' can be typically between 1 and 4,000,000,000 inclusive. You have to find out the XOR of all the numbers in the given range.
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MySQL Delete all rows from table and reset ID to zero
I need to delete all rows from a table but when I add a new row, I want the primary key ID, which has an auto increment, to start again from 0 respectively from 1.
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How to fetch the row count for all tables in a SQL SERVER database [duplicate]
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The following SQL will get you the row count of all tables in a database:
CREATE TABLE #counts
(
table_name varchar(255),
row_count int
)
EXEC sp_MSForEachTable @command1='INSERT #counts (table_name, row_count) SELECT ''?'', COUNT(*) FROM ?'
SELECT table_name, ro...
How to use Active Support core extensions
I have Active Support 3.0.3 installed and Rails 3.0.3 with Ruby 1.8.7.
5 Answers
5
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Xcode Find and replace in all project files
I need to replace NSLog with DDLogVerbose in all files in the current project I am working on… What is an easy method to do this? (the search navigator only has search in it).
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Why shouldn't all functions be async by default?
...kind words. It is indeed an awesome feature and I am glad to have been a small part of it.
If all my code is slowly turning async, why not just make it all async by default?
Well, you're exaggerating; all your code isn't turning async. When you add two "plain" integers together, you're not awa...
How to remove all subviews of a view in Swift?
I'm looking for a simple method to remove at once all subviews from a superview instead of removing them one by one.
20 Ans...