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Android splash screen image sizes to fit all devices
I have a full screen PNG I want to display on splash. Only one error there, and I have no idea
what size to put in every drawable folder ( ldpi , mdpi , hdpi , and xhdpi ). My application is supposed to run good and beautiful on all phones and tablets. What sizes (in pixels) should I create so th...
html select only one checkbox in a group
So how can I only allow a user to select only one checkbox?
16 Answers
16
...
arrayfun can be significantly slower than an explicit loop in matlab. Why?
...ut the computations, instead of using a function in your loop
tic
Soln3 = ones(T, N);
for t = 1:T
for n = 1:N
Soln3(t, n) = 3*x(t, n)^2 + 2*x(t, n) - 1;
end
end
toc
Time to compute on my computer:
Soln1 1.158446 seconds.
Soln2 10.392475 seconds.
Soln3 0.239023 seconds.
Oli ...
How to extract custom header value in Web API message handler?
...ver return null. If the header doesn't exist you will get an InvalidOperationException. You need to use TryGetHeaders if it's possible the header might not exist in the request and check for a false response OR try/catch around the GetValues call (not recommended).
– Drew Marsh...
How do I upload a file with metadata using a REST web service?
...
One advantage to sending the content first is that by the time the metadata exists, the content is already present. Ultimately the right answer depends on the organisation of the data in the system.
– Gr...
JavaScript: replace last occurrence of text in a string
...
I know this is silly, but I'm feeling creative this morning:
'one two, one three, one four, one'
.split(' ') // array: ["one", "two,", "one", "three,", "one", "four,", "one"]
.reverse() // array: ["one", "four,", "one", "three,", "one", "two,", "one"]
.join(' ') // string: "one four, on...
How to reference the initial commit?
...
There is additional problem with your question: there can exist more than one such TAIL root commit (parentless commit) in a repository (even if we discount disconnected branches, such as 'html', 'man' and 'todo' in git.git repository). This is usually result of joining separate projects in one, or...
Combining CSS Pseudo-elements, “:after” the “:last-child”
...ti-browser, Firefox likes it)
li { display: inline; list-style-type: none; }
li:after { content: ", "; }
li:last-child:before { content: "and "; }
li:last-child:after { content: "."; }
<html>
<body>
<ul>
<li>One</li>
<li>Two</li&g...
Differences between fork and exec
...ar easy to think of program suddenly becomes two separate programs running one piece of code:
int pid = fork();
if (pid == 0)
{
printf("I'm the child");
}
else
{
printf("I'm the parent, my child is %i", pid);
// here we can kill the child, but that's not very parently of us
}...
How can I convert comma separated string into a List
...
Here is one way of doing it:
List<int> TagIds = tags.Split(',').Select(int.Parse).ToList();
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