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CSS: How to position two elements on top of each other, without specifying a height?
...ed elements. You'll also want to have position: relative on .container_row if you want the absolutely positioned elements to be positioned with respect to their parent rather than the document's body:
If the element has 'position: absolute', the containing block is established by the nearest anc...
Get div height with plain JavaScript
...unction. Please note that getBoundingClientRect will return an empty rect if the element's display is 'none'.
Example:
var elem = document.getElementById("myDiv");
if(elem) {
var rect = elem.getBoundingClientRect();
console.log("height: " + rect.height);
}
UPDATE:
Here is the same code writt...
How can I clear an HTML file input with JavaScript?
...ction. demo: http://jsbin.com/muhipoye/1/
function clearInputFile(f){
if(f.value){
try{
f.value = ''; //for IE11, latest Chrome/Firefox/Opera...
}catch(err){ }
if(f.value){ //for IE5 ~ IE10
var form = document.createElement('form'),
...
Read values into a shell variable from a pipe
...
Use
IFS= read var << EOF
$(foo)
EOF
You can trick read into accepting from a pipe like this:
echo "hello world" | { read test; echo test=$test; }
or even write a function like this:
read_from_pipe() { read "$@" <&a...
Rails - Nested includes on Active Records?
...ieve the following should work for you.
Event.includes(users: :profile)
If you want to include an association (we'll call it C) of an already included association (we'll call it B), you'd use the syntax above. However, if you'd like to include D as well, which is also an association of B, that's ...
How to for each the hashmap? [duplicate]
... "+key+" Value: "+value);
Integer imap =hm.put(key,value);
if( imap == null){
System.out.println("Inserted");
}
else{
System.out.println("Replaced with "+imap);
}
}
hm.forEach((k,v) -> System.out.println("key:...
Is it possible to forward-declare a function in Python?
...
If you don't want to define a function before it's used, and defining it afterwards is impossible, what about defining it in some other module?
Technically you still define it first, but it's clean.
You could create a recur...
Optimum way to compare strings in JavaScript? [duplicate]
...think it's important to note that V8 (Chrome) seems to interpret ECMA-262 differently than IE/Firefox on localeCompare. For example: "a".localeCompare("Z") should return -1 but instead returns 7 which is the charcode of "a" - charcode of "Z". Unfortunately, the language in the specification is loos...
Why does int num = Integer.getInteger(“123”) throw NullPointerException?
...ring nm): Determines the integer value of the system property with the specified name. If there is no property with the specified name, if the specified name is empty or null, or if the property does not have the correct numeric format, then null is returned.
In other words, this method has noth...
Why can tuples contain mutable items?
If a tuple is immutable then why can it contain mutable items?
8 Answers
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