大约有 44,000 项符合查询结果（耗时：0.0739秒） [XML]
Programmatically find the number of cores on a machine
...;sysinfo);
int numCPU = sysinfo.dwNumberOfProcessors;
Linux, Solaris, AIX and Mac OS X >=10.4 (i.e. Tiger onwards)
int numCPU = sysconf(_SC_NPROCESSORS_ONLN);
FreeBSD, MacOS X, NetBSD, OpenBSD, etc.
int mib[4];
int numCPU;
std::size_t len = sizeof(numCPU);
/* set the mib for hw.ncpu */
mib[...
Sync data between Android App and webserver [closed]
I want to sync data (such as db record, media) between an Android App and a Server. If you've seen Evernote or similar Applications, you certainly understand what I mean.
...
How can I convert byte size into a human-readable format in Java?
...osted here was the most copied Java snippet of all time on Stack Overflow, and it was flawed. It was fixed, but it got messy.
Full story in this article: The most copied Stack Overflow snippet of all time is flawed!
Source: Formatting byte size to human readable format | Programming.Guide
SI (1 k =...
How to define a reply-to address?
...
Solution for Rails 5.2 and possibly older/newer versions:
Amend the file:
config/environments/development.rb
With content:
Rails.application.configure do
config.action_mailer.default_options = {
reply_to: 'test@example.com'...
Difference between char* and const char*?
...cleared up with the use of a variable after the statements mentioned above and by giving reference to that variable.
– ankit.karwasra
Oct 8 '13 at 9:16
3
...
How do I maintain the Immersive Mode in Dialogs?
... even if you set the UI visibility before adding it to the manager. In the Android Immersive example it's commented that:
// * Uses semi-transparent bars for the nav and status bars
// * This UI flag will *not* be cleared when the user interacts with the UI.
// When the user swipes, the bars will t...
How to prevent favicon.ico requests?
...in a Web page is a good thing (normally).
However it is not always desired and sometime developers need a way to avoid the extra payload. For example an IFRAME would request a favicon without showing it.
Worst yet, in Chrome and Android an IFRAME will generate 3 requests for favicons:
"GET /favicon....
How to link to a named anchor in Multimarkdown?
...
In standard Markdown, place an anchor <a name="abcd"></a> where you want to link to and refer to it on the same page by [link text](#abcd).
(This uses name= and not id=, for reasons explained in this answer.)
Remote ...
Jenkins on OS X: xcodebuild gives Code Sign error
...can do that interactively (safer) or by specifying the password on the command line (unsafe), e.g.:
security unlock-keychain -p mySecretPassword...
Obviously, putting this into a script compromises the security of that keychain, so often people setup an individual keychain with only the signing c...
Using success/error/finally/catch with Promises in AngularJS
I'm using $http in AngularJs, and I'm not sure on how to use the returned promise and to handle errors.
6 Answers
...