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MySQL: multiple tables or one table with many columns?
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Any time information is one-to-one (each user has one name and password), then it's probably better to have it one table, since it reduces the number of joins the database will need to do to retrieve results. I think some databases have a limit on the number of columns per table, but...
C# Events and Thread Safety
... be out of date, but that's all. It won't cause a NullReferenceException.
And yes, there's certainly a race condition - but there always will be. Suppose we just change the code to:
TheEvent(this, EventArgs.Empty);
Now suppose that the invocation list for that delegate has 1000 entries. It's per...
Differences between utf8 and latin1
what is the difference between utf8 and latin1?
2 Answers
2
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Disabled input text color
The simple HTML below displays differently in Firefox and WebKit-based browsers (I checked in Safari, Chrome and iPhone).
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Read input from console in Ruby?
...ing like that?
Update
Kernel.gets tries to read the params found in ARGV and only asks to console if not ARGV found. To force to read from console even if ARGV is not empty use STDIN.gets
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How to calculate the number of days between two dates? [duplicate]
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I tested this with 2015-02-1 to 2015-03-01 and got 31 days. There's something wrong here... EDIT: Okay yeah.. javascript months are from 0-12 so if you're getting the input from a jquery datepicker or a regular normal date, subtract 1 form the month
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What is JavaScript's highest integer value that a number can go to without losing precision?
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JavaScript has two number types: Number and BigInt.
The most frequently-used number type, Number, is a 64-bit floating point IEEE 754 number.
The largest exact integral value of this type is Number.MAX_SAFE_INTEGER, which is:
253-1, or
+/- 9,007,199,254,740,...
Deploy a project using Git push
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I found this script on this site and it seems to work quite well.
Copy over your .git directory to your web server
On your local copy, modify your .git/config file and add your web server as a remote:
[remote "production"]
url = username@webserver:/pa...
How do you implement a Stack and a Queue in JavaScript?
What is the best way to implement a Stack and a Queue in JavaScript?
24 Answers
24
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Rank items in an array using Python/NumPy, without sorting array twice
I have an array of numbers and I'd like to create another array that represents the rank of each item in the first array. I'm using Python and NumPy.
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