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Validate that a string is a positive integer
...ger(str) {
var n = Math.floor(Number(str));
return n !== Infinity && String(n) === str && n >= 0;
}
or if you want to allow whitespace and leading zeros:
function isNormalInteger(str) {
str = str.trim();
if (!str) {
return false;
}
str = str.repl...
Rebasing and what does one mean by rebasing pushed commits
...al to rebase again after another developer changes topic branch. Essentially, I have been using merge for quite sometime, but we are in same boat as, darwinweb.net/articles/86 and the history is almost unusable.
– Hemant Kumar
Apr 26 '10 at 18:13
...
What is the recommended way to delete a large number of items from DynamoDB?
...em. But keep in mind you may burn a lot of throughput capacity here. For example, consider a situation where you need delete 1000 items from a DynamoDB table. Assume that each item is 1 KB in size, resulting in Around 1MB of data. This bulk-deleting task will require a total of 2000 write capacity u...
Why are arrays of references illegal?
...Daid I think the real reason - which is so conspicuously absent from this & similar discussions - is that if one had an array of references, how would one possibly disambiguate between the address of an element & the address of its referent? The immediate objection to 'You can't put a refere...
FormsAuthentication.SignOut() does not log the user out
...
I've been developing web applications for years in PHP. So I am new to MVC... I admit I love it, BUT who would have thought something so simple as logging someone off would be so difficult? I tried every other script on this page down the line and this is the only one that wo...
程序员保值的4个秘密 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...va 和 Android ，比如 Objective-C 和 Cocoa Touch ，比如 JavaScript, PHP……太多了，数不胜数。
应用层面的开发技术，很多人觉得门槛低，小年轻和富有经验的老资格差别不大，后浪会把前浪拍死在沙滩上，所以当新一茬韭菜长成时，老...
How long do browsers cache HTTP 301s?
...
I confirm that redirecting back (with a PHP redirection in my case) works perfectly on Google Chrome as long as (obviously) you removed the initial 301 redirect.
– Vincent Poirier
Mar 14 '17 at 14:00
...
How to strip HTML tags from a string in SQL Server?
...aving just the text between the tags. Ideally also replacing things like < with < , etc.
11 Answers
...
Select SQL Server database size
...02.81 814.81
-- sp_spaceused
database_name database_size unallocated space
---------------- ------------------ ------------------
xxxxxxxxxxx 814.81 MB 13.04 MB
Function:
ALTER FUNCTION [dbo].[GetDBSize]
(
@db_name NVARCHAR(100)
)
RETURNS TABLE
AS
RETURN
SELE...
Symbolic link to a hook in git
...
All this worked for me in the end. The only difference is that I am linking to my own prepare-commit-msg. The problem is if I am editing the commit message using nano, then Ctl+X out to abort, git still completes a commit any...