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How do I change the text of a span element using JavaScript?
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For modern browsers you should use:
document.getElementById("myspan").textContent="newtext";
While older browsers may not know textContent, it is not recommended to use innerHTML as it introduces an XSS vulnerability when the new text is user input (see other ans...
How to select a drop-down menu value with Selenium using Python?
I need to select an element from a drop-down menu.
13 Answers
13
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Where to place private methods in Ruby?
Most of the blogs or tutorials or books have private methods at the bottom of any class/module. Is this the best practice?
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How to read json file into java with simple JSON library
...r (Object o : a)
{
JSONObject person = (JSONObject) o;
String name = (String) person.get("name");
System.out.println(name);
String city = (String) person.get("city");
System.out.println(city);
String job = (String) person.get("job");
System.out.println(job);
JSO...
What is a 'multi-part identifier' and why can't it be bound?
...r table. I end up rewriting the query, change the order of joins, change some groupings and then it eventually works, but I just don't quite get it.
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Python Empty Generator Function
...'s that much better than what you have -- it just replaces a no-op if statement with a no-op yield statement. But it is more idiomatic. Note that just using yield doesn't work.
>>> def f():
... yield
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>>> list(f())
[None]
Why not just use iter(())?
This question asks sp...
Difference between CTE and SubQuery?
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Not sure how much this statement make sense for people looking at CTS and subquery difference - A CTE can be used recursively; a sub-query cannot. An example would have been great.
– Aniket Thakur
Dec 28 '17 at 10:...
How to find encoding of a file via script on Linux?
...Or, failing that, use file -i (linux) or file -I (osx). That will output MIME-type information for the file, which will also include the character-set encoding. I found a man-page for it, too :)
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Finding the direction of scrolling in a UIScrollView?
...t I did was to subclass the UIScrollView and override the touchesMoved method:
23 Answers
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Why doesn't this code simply print letters A to Z?
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From the docs:
PHP follows Perl's convention when dealing with arithmetic operations on character variables and not C's.
For example, in Perl 'Z'+1 turns into 'AA', while in C 'Z'+1 turns into '[' ( ord('Z') == 90, ord('[') == 91 ).
Note that character variables can be incremented but not dec...