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What's the difference between => , ()=>, and Unit=>
...s function:
def f(x: => Int) = x * x
If I call it like this
var y = 0
f { y += 1; y }
Then the code will execute like this
{ y += 1; y } * { y += 1; y }
Though that raises the point of what happens if there's a identifier name clash. In traditional call-by-name, a mechanism called captur...
css - position div to bottom of containing div
...
.outside {
width: 200px;
height: 200px;
background-color: #EEE; /*to make it visible*/
}
Needs to be
.outside {
position: relative;
width: 200px;
height: 200px;
background-color: #EEE; /*to make it visible*/
}
Absol...
Determine if the device is a smartphone or tablet? [duplicate]
...
This subject is discussed in the Android Training:
Use the Smallest-width Qualifier
If you read the entire topic, they explain how to set a boolean value in a specific value file (as res/values-sw600dp/attrs.xml):
<resources>
<bool name="isTablet">true</bool>
&l...
Hyphenated html attributes with asp.net mvc
...
202
Use an underscore in the data attribute name, and it'll magically handle it for you, converting...
WPF datagrid empty row at bottom
...
answered Nov 23 '09 at 18:44
Tomi JunnilaTomi Junnila
6,78333 gold badges2323 silver badges2323 bronze badges
...
Rename an environment with virtualenvwrapper
...
210
You can use:
cpvirtualenv oldenv newenv
rmvirtualenv oldenv
So in your case:
cpvirtualenv do...
css rotate a pseudo :after or :before content:“”
...
370
Inline elements can't be transformed, and pseudo elements are inline by default, so you must app...
Can I assume (bool)true == (int)1 for any C++ compiler?
... |
edited Apr 27 '10 at 21:14
Joe
36.7k1414 gold badges9898 silver badges116116 bronze badges
ans...
Which is better, return “ModelAndView” or “String” on spring3 controller
...eturning both model and view information from a controller in pre-Spring 2.0. Now you can combine the Model parameter and the String return value, but the old approach is still valid.
share
|
improv...
How to pipe input to a Bash while loop and preserve variables after loop ends
...hopt -s lastpipe # Comment this out to see the alternative behaviour
sum=0
echo "$FILECONTENT" |
while read number name; do ((sum+=$number)); done
echo $sum
Doing this at the command line usually runs foul of 'job control is not active' (that is, at the command line, job control is active). Test...