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How are echo and print different in PHP? [duplicate]
Is there any major and fundamental difference between these two functions in PHP?
5 Answers
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Get selected value/text from Select on change
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@PlayHardGoPro That is the selected value. If you wanted the text (e.g. -Select- or Communication) you would use text: select.text or in jQuery select.text().
– ricksmt
Sep 16 '13 at 17:01
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How to clear https proxy setting of NPM?
...g rm proxy you remove proxy from user configuration. This can be easily verified by running: npm config list.
If there is proxy or https-proxy setting set in global config you have to use --global in the command to remove it.
So at the end this will clean-up proxies from both local and global config...
Convert a row of a data frame to vector
...tly more explicit way to get to the same result.
As @Josh comments below, if you have a not-completely-numeric (alphabetic, factor, mixed ...) data frame, you need as.character(df[1,]) instead.
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Java: convert List to a String
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With Java 8 you can do this without any third party library.
If you want to join a Collection of Strings you can use the new String.join() method:
List<String> list = Arrays.asList("foo", "bar", "baz");
String joined = String.join(" and ", list); // "foo and bar and baz"
If yo...
What is the advantage of using REST instead of non-REST HTTP?
...all the getters and POST for all the setters, we try to have the URLs identify resources, and then use the HTTP actions GET, POST, PUT and DELETE to do stuff to them. So instead of
GET /get_article?id=1
POST /delete_article id=1
You would do
GET /articles/1/
DELETE /articles/1/
And then POST...
Directory-tree listing in Python
...ing the 'dirnames' list will stop os.walk() from recursing into there.
if '.git' in dirnames:
# don't go into any .git directories.
dirnames.remove('.git')
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How do you round a floating point number in Perl?
... can have serious implications, and
the rounding method used should be specified precisely. In these
cases, it probably pays not to trust whichever system rounding is being
used by Perl, but to instead implement the rounding function you need
yourself.
To see why, notice how you'll still have an i...
Where's the difference between setObject:forKey: and setValue:forKey: in NSMutableDictionary?
When looking at the documentation, I hardly see any big difference. Both "value" and "object" are of type id , so can be any object. Key is once a string, and in the other case an id. One of them seems to retain the object, and the other don't. What else? Which one is for what case?
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How to create multiple directories from a single full path in C#?
If you have a full path like: "C:\dir0\dir1\dir2\dir3\dir4\" how would you best implement it so that all directories are present?
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