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Why historically do people use 255 not 256 for database field magnitudes?
...char data (unless constrained otherwise). Most systems treat such an empty string as distinct from NULL, but some systems (notably Oracle) treat an empty string identically to NULL. For systems where an empty string is not NULL, an additional bit somewhere in the row would be needed to indicate whet...
How to check if the URL contains a given string?
...iew.tbwabox.co.nz/_v005/index.html#buying-a-car and I want to check if the string has "buying-a-car but the script" isn't working?
– Vennsoh
Jul 9 '15 at 2:16
...
Explode string by one or more spaces or tabs
How can I explode a string by one or more spaces or tabs?
10 Answers
10
...
PHP script to loop through all of the files in a directory?
...tries);
//OUTPUT
object(FilesystemIterator)[1]
array (size=14)
0 => string 'aa[1].jpg' (length=9)
1 => string 'Chrysanthemum.jpg' (length=17)
2 => string 'Desert.jpg' (length=10)
3 => string 'giphy_billclinton_sad.gif' (length=25)
4 => string 'giphy_shut_your.gif' (length=...
Replace line break characters with in ASP.NET MVC Razor view
...
Try the following:
@MvcHtmlString.Create(Model.CommentText.Replace(Environment.NewLine, "<br />"))
Update:
According to marcind's comment on this related question, the ASP.NET MVC team is looking to implement something similar to the <%: an...
How to remove line breaks (no characters!) from the string?
...ines and carriage returns. The code is:
preg_replace( "/\r|\n/", "", $yourString );
Even though the \n characters are not appearing, if you are getting carriage returns there is an invisible character there. The preg replace should grab and fix those.
...
Negation in Python
...'s) is an accident waiting to happen -- two instances of a longish literal string that presumably should be identical. And please don't retort that it's just an example -- it's a BAD example for newbies.
– John Machin
May 24 '11 at 23:01
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MySQL select where column is not empty
...
Compare value of phone2 with empty string:
select phone, phone2
from jewishyellow.users
where phone like '813%' and phone2<>''
Note that NULL value is interpreted as false.
...
What is the use of static constructors?
...hem.
Example: Suppose we had this class:
class ScopeMonitor
{
static string urlFragment = "foo/bar";
static string firstPart= "http://www.example.com/";
static string fullUrl= firstPart + urlFragment;
}
When you access fullUr, it will be "http://www.example.com/foo/bar".
Months late...
How to test if a string is basically an integer in quotes using Ruby
...regular expressions. Here is the function with @janm's suggestions.
class String
def is_i?
!!(self =~ /\A[-+]?[0-9]+\z/)
end
end
An edited version according to comment from @wich:
class String
def is_i?
/\A[-+]?\d+\z/ === self
end
end
In case you only need to chec...