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How to manually set an authenticated user in Spring Security / SpringMVC
...ssword, HttpServletRequest request) {
try {
// Must be called from request filtered by Spring Security, otherwise SecurityContextHolder is not updated
UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(username, password);
token.setDetail...
NSUserDefaults not cleared after app uninstall on simulator
... as well.
However, NSUserDefaults are NOT deleted when you remove an app from the simulator.
They are correctly deleted when you delete them from a physical device running iOS8.
A quick and annoying solution for now is to click, iOS Simulator -> Reset Content and Settings.
Xcode 9.2 with Sim...
How can I sharpen an image in OpenCV?
...ing:
You use a Gaussian smoothing filter and subtract the smoothed version from the original image (in a weighted way so the values of a constant area remain constant).
To get a sharpened version of frame into image: (both cv::Mat)
cv::GaussianBlur(frame, image, cv::Size(0, 0), 3);
cv::addWeighted(f...
Android Whatsapp/Chat Examples [closed]
...essenger for Android, this code should get you started somewhere.
Excerpt from the source :
This is a simple IM application runs on Android, application makes
http request to a server, implemented in php and mysql, to
authenticate, to register and to get the other friends' status and
data...
Guava equivalent for IOUtils.toString(InputStream)
...
@ColinD, if the inputStream is coming from inside of a doPost servlet, is there any point in closing it? (or worrying about closing it)
– Blankman
Apr 22 '12 at 19:43
...
How do I add comments to package.json for npm install?
...nts as in the first example { "//": "first", "//": "second"} prevents you from using npm version and other command line utils which usually reparse whole JSON and discard the duplicate keys in process.
– jakub.g
Jul 1 '14 at 11:51
...
InputStream from a URL
How do I get an InputStream from a URL?
6 Answers
6
...
Understanding Linux /proc/id/maps
... changed using the mprotect system call.
offset - If the region was mapped from a file (using mmap), this is the offset in the file where the mapping begins. If the memory was not mapped from a file, it's just 0.
device - If the region was mapped from a file, this is the major and minor device numbe...
memcpy() vs memmove()
...t) manner. Simplistically, it just loops over the data (in order), copying from one location to the other. This can result in the source being overwritten while it's being read.
Memmove does more work to ensure it handles the overlap correctly.
EDIT:
(Unfortunately, I can't find decent examples, ...
Can I catch multiple Java exceptions in the same catch clause?
... the same block if ExceptionB is inherited, either directly or indirectly, from ExceptionA. The compiler will complain:
Alternatives in a multi-catch statement cannot be related by subclassing
Alternative ExceptionB is a subclass of alternative ExceptionA
...