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How to get first 5 characters from string [duplicate]
How to get first 5 characters from string using php
5 Answers
5
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Generating random strings with T-SQL
...se of an off-by-one error: SUBSTRING(..., 0, ...) returns empty string for index 0, and for 529126 this 'hides' the first character generated. Fix is to compute @dice = rand(@seed) * len(@specials)+1 to make the indexes 1 based.
– Remus Rusanu
Feb 17 '16 at 13:...
Regex doesn't work in String.matches()
I have this small piece of code
9 Answers
9
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Sorting a tab delimited file
...o blank transition so tab should work just fine.
However, the columns are indexed base 1 and base 0 so you probably want
sort -k4nr file.txt
to sort file.txt by column 4 numerically in reverse order. (Though the data in the question has even 5 fields so the last field would be index 5.)
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Convert a String In C++ To Upper Case
...plemented as a macro it will probably use a lookup table and your argument indexes into that table. A negative index will give you UB.)
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Is it possible to make an ASP.NET MVC route based on a subdomain?
...)
{
var url = httpContext.Request.Headers["HOST"];
var index = url.IndexOf(".");
if (index < 0)
return null;
var subDomain = url.Substring(0, index);
if (subDomain == "user1")
{
var routeData = new RouteData(this, new ...
jQuery/JavaScript: accessing contents of an iframe
...nother domain you can still do it. You need to read the external page into PHP and echo it from your domain. Like this:
iframe_page.php
<?php
$URL = "http://external.com";
$domain = file_get_contents($URL);
echo $domain;
?>
Then something like this:
display_page.html
<...
How does libuv compare to Boost/ASIO?
... (not for professionals but nevertheless: http://en.highscore.de/cpp/boost/index.html ). Libuv has only one online book (but also good) http://nikhilm.github.com/uvbook/index.html and several video talks, so it will be difficult to know all the secrets (this library has a lot of them). For more spec...
AngularJS - Value attribute on an input text box is ignored when there is a ng-model used?
...ave an input field like: <input type="number" ng-model="newTransaction[$index][user.email]" /> ?
– shish
Dec 3 '15 at 22:17
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Fixing JavaScript Array functions in Internet Explorer (indexOf, forEach, etc.) [closed]
...not implement key functions, in particular on Array (such as forEach , indexOf , etc).
6 Answers
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