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Why is it said that “HTTP is a stateless protocol”?
HTTP has HTTP Cookies. Cookies allow the server to track the user state, the number of connections, last connection, etc.
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How do I copy directories recursively with gulp?
...c( [ files ], { "base" : "." }) can be used in the structure above to copy all the directories recursively.
If, like me, you may forget this then try:
gulp.copy=function(src,dest){
return gulp.src(src, {base:"."})
.pipe(gulp.dest(dest));
};
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Accessing the index in 'for' loops?
... additional state variable, such as an index variable (which you would normally use in languages such as C or PHP), is considered non-pythonic.
The better option is to use the built-in function enumerate(), available in both Python 2 and 3:
for idx, val in enumerate(ints):
print(idx, val)
Ch...
How do I do word Stemming or Lemmatization?
I've tried PorterStemmer and Snowball but both don't work on all words, missing some very common ones.
21 Answers
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API vs. Webservice [closed]
...s don't necessarily use HTTP, but this is almost always the case and is usually assumed unless mentioned otherwise.
For examples of web services specifically, see SOAP, REST, and XML-RPC. For an example of another type of API, one written in C for use on a local machine, see the Linux Kernel API.
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Copy/duplicate database without using mysqldump
...e uses a "SHOW CREATE TABLE" statement which generates a CREATE TABLE with all properties of the original.
– Danita
May 6 '11 at 15:34
1
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Can I have multiple background images using CSS?
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CSS3 allows this sort of thing and it looks like this:
body {
background-image: url(images/bgtop.png), url(images/bg.png);
background-repeat: repeat-x, repeat;
}
The current versions of all the major browsers now suppor...
jQuery, simple polling example
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setinterval would make an ajax call every 5 seconds no matter what. the way have written it (which i believe is good practice) will wait for the results THEN make another ajax request 5 seconds later. there are times i would use setinterval, but this is not...
MySQL “Group By” and “Order By”
...olumns in a SELECT with a GROUP BY clause is non-standard. MySQL will generally return the values of the first row it finds and discard the rest. Any ORDER BY clauses will only apply to the returned column value, not to the discarded ones.
IMPORTANT UPDATE
Selecting non-aggregate columns used to wor...
What is the exact problem with multiple inheritance?
I can see people asking all the time whether multiple inheritance should be included into the next version of C# or Java. C++ folks, who are fortunate enough to have this ability, say that this is like giving someone a rope to eventually hang themselves.
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