大约有 30,000 项符合查询结果（耗时：0.0297秒） [XML]
round() for float in C++
...
It's available since C++11 in cmath (according to http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3337.pdf)
#include <cmath>
#include <iostream>
int main(int argc, char** argv) {
std::cout << "round(0.5):\t" << round(0.5) << std::endl;
s...
Singletons vs. Application Context in Android?
...rowser
Intent myIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://www.google.com"));
and the problem is that, if the handset doesn't have enough memory, most of your classes (even Singletons) are cleaned to get some memory so, when returning from the browser to my app, it crashed everytim...
SplitView like Facebook app on iPhone
... post here.
For an effect similar to the kindle app on ios7 you can use:
https://github.com/romaonthego/REFrostedViewController
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Response Content type as CSV
...all browsers that I know of
// these headers avoid IE problems when using https:
// see http://support.microsoft.com/kb/812935
header("Cache-Control: must-revalidate");
header("Pragma: must-revalidate");
header("Content-type: application/vnd.ms-excel");
header("Content-disposition: attachment; fil...
What does the git index contain EXACTLY?
...not as a standard tree object, and its format is binary and documented at: https://github.com/git/git/blob/master/Documentation/technical/index-format.txt
The major structs that define the index are at cache.h, because the index is a cache for creating commits.
Setup
When we start a test reposito...
What's the difference between django OneToOneField and ForeignKey?
...Publisher: Apress Publishing>
>>> b.publisher.website
u'http://www.apress.com/'
With ForeignKey fields queries work the other way too, but they're slightly different due to the non-symmetrical nature of the relationship.
>>> p = Publisher.objects.get(name='Apress Publishing'...
Listing all permutations of a string/integer
...>
a + perm(...), b + perm(....)
....
I found the pseudocode on http://www.programmersheaven.com/mb/Algorithms/369713/369713/permutation-algorithm-help/:
makePermutations(permutation) {
if (length permutation < required length) {
for (i = min digit to max digit) {
if (i not in per...
What is the difference between `new Object()` and object literal notation?
...l notation prevents us from falling foul of this buffoonery.
(From http://www.jameswiseman.com/blog/2011/01/19/jslint-messages-use-the-object-literal-notation/)
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Upload files with HTTPWebrequest (multipart/form-data)
...me post params do the following:
RequestHelper.PostMultipart(
"http://www.myserver.com/upload.php",
new Dictionary<string, object>() {
{ "testparam", "my value" },
{ "file", new FormFile() { Name = "image.jpg", ContentType = "image/jpeg", FilePath = "c:\\temp\\mynicei...
Do browsers parse javascript on every page load?
...ing the preparsed version of the code.
InfoQ has a good writeup @ http://www.infoq.com/articles/google-dart
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