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asynchronous vs non-blocking
...re advanced than non-blocking.
With java NIO non-blocking calls, one would set all channels (SocketChannel, ServerSocketChannel, FileChannel, etc) as such by calling AbstractSelectableChannel.configureBlocking(false).
After those IO calls return, however, you will likely still need to control the ch...
How to merge YAML arrays?
... editor after snippets, if snippets enabled
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Understanding the Rails Authenticity Token
...ed on with the protect_from_forgery method,
which checks the token and resets the session if it doesn't match what
was expected. A call to this method is generated for new Rails
applications by default.
The token parameter is named authenticity_token by default. The name
and value of this ...
Show Image View from file path?
...
Labeeb is right about why you need to set image using path if your resources are already laying inside the resource folder ,
This kind of path is needed only when your images are stored in SD-Card .
And try the below code to set Bitmap images from a file stored...
Spring RestTemplate - how to enable full debugging/logging of requests/responses?
...lt;>();
interceptors.add(new LoggingRequestInterceptor());
restTemplate.setInterceptors(interceptors);
The BufferingClientHttpRequestFactory is required as we want to use the response body both in the interceptor and for the initial calling code. The default implementation allows to read the re...
How are cookies passed in the HTTP protocol?
...
The server sends the following in its response header to set a cookie field.
Set-Cookie:name=value
If there is a cookie set, then the browser sends the following in its request header.
Cookie:name=value
See the HTTP Cookie article at Wikipedia for more information.
...
Use ffmpeg to add text subtitles [closed]
...wer: stackoverflow.com/questions/21363334/…. You will probably want to set the font in the subtitle file itself, otherwise using the subtitle filter, you could force_style to set the Font: ffmpeg.org/ffmpeg-filters.html#subtitles-1
– HdN8
Apr 27 '15 at 16:...
Generate all permutations of a list without adjacent equal elements
...i - 1] == lst[i] for i in range(1, len(lst)))
def test(lst):
perms = set(permutations(lst))
opt = min(map(defects, perms))
slow = {perm for perm in perms if defects(perm) == opt}
fast = set(enum(lst))
print(lst, fast, slow)
assert slow == fast
for r in range(10000):
t...
Which are more performant, CTE or temporary tables?
...emp table is good for re-use or to perform multiple processing passes on a set of data.
A CTE can be used either to recurse or to simply improved readability.
And, like a view or inline table valued function can also be treated like a macro to be expanded in the main query
A temp table is another t...
Windows Explorer “Command Prompt Here” [closed]
...8+. Typing powershell in the command bar will bring up a powershell window set to that directory.
– Laurence
Sep 24 '13 at 18:51
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