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how to detect search engine bots with php?
...
Here's a Search Engine Directory of Spider names
Then you use $_SERVER['HTTP_USER_AGENT']; to check if the agent is said spider.
if(strstr(strtolower($_SERVER['HTTP_USER_AGENT']), "googlebot"))
{
// what to do
}
...
How to save an image locally using Python whose URL address I already know?
...wered Nov 27 '11 at 15:01
Liquid_FireLiquid_Fire
6,01522 gold badges2121 silver badges2222 bronze badges
...
Understanding scala enumerations
...s. It is useful, because after you import it elsewhere with import WeekDay._, you can use that type, e.g.:
def isWorkingDay(d: WeekDay) = ! (d == Sat || d == Sun)
Instead, a minimal version would just be:
object WeekDay extends Enumeration {
val Mon, Tue, Wed, Thu, Fri, Sat, Sun = Value
}
an...
Can you grab or delete between parentheses in vi/vim?
... | |
\_______\___---> Cursor range
assuming that your cursor is inside the above mentioned cursor range, you can issue the following commands :
di( --> Deletes '5.0/9.0'
ci( --> Substitutes '5.0/9.0'
yi( --> Y...
Difference between Role and GrantedAuthority in Spring Security
...hat says that a role is a GrantedAuthority that starts with the prefix ROLE_. There's nothing more. A role is just a GrantedAuthority - a "permission" - a "right". You see a lot of places in spring security where the role with its ROLE_ prefix is handled specially as e.g. in the RoleVoter, where the...
RSS Feeds in ASP.NET MVC
...stem.Web;
using System.Web.Mvc;
using System.Xml;
namespace MVC3JavaScript_3_2012.Rss
{
public class RssFeed : FileResult
{
private Uri _currentUrl;
private readonly string _title;
private readonly string _description;
private readonly List<SyndicationItem...
how to create a file name with the current date & time in python?
... human readable.
from datetime import datetime
datetime.now().strftime("%Y_%m_%d-%I_%M_%S_%p")
'2020_08_12-03_29_22_AM'
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How to turn on/off ReactJS 'development mode'?
...tely the magic comes down to React embedding references to process.env.NODE_ENV throughout the codebase; these act like a feature toggle.
if (process.env.NODE_ENV !== "production")
// do propType checks
The above is the most common pattern, and other libraries follow it as well. So to "disable" t...
javac : command not found
...
yes, i am sure. just look at the java-1.6.0-openjdk.x86_64 package information (scroll to the "Files" section) and see that there is no javac in that package. and then look at the OpenJDK Development Environment package.
– ax.
Mar 23 '11 at ...
Abort makefile if variable not set
...
TL;DR: Use the error function:
ifndef MY_FLAG
$(error MY_FLAG is not set)
endif
Note that the lines must not be indented. More precisely, no tabs must precede these lines.
Generic solution
In case you're going to test many variables, it's worth defining an au...