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Socket.io rooms difference between broadcast.to and sockets.in
..., including sender
io.in('game').emit('big-announcement', 'the game will start soon');
// sending to all clients in namespace 'myNamespace', including sender
io.of('myNamespace').emit('bigger-announcement', 'the tournament will start soon');
// sending to a specific room in a specific name...
dd: How to calculate optimal blocksize? [closed]
... system dependent. You should experiment to find the optimum solution.
Try starting with bs=8388608. (As Hitachi HDDs seems to have 8MB cache.)
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Better way of incrementing build number?
...rag the "Run Script" below "Link Binaries With Libraries"
# 7. Insure your starting version number is in SemVer format (e.g. 1.0.0)
# This splits a two-decimal version string, such as "0.45.123", allowing us to increment the third position.
VERSIONNUM=$(/usr/libexec/PlistBuddy -c "Print CFBundleSho...
Why does the default parameterless constructor go away when you create one with parameters
...terless one goes away. I have always just accepted this fact, but now I've started wondering why.
11 Answers
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IOException: read failed, socket might closed - Bluetooth on Android 4.3
..., but i wanted to make people understand why it needs to use this approach starting with android 4.2
– George Dima
Sep 4 '14 at 16:37
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When is TCP option SO_LINGER (0) required?
...ing stuck in CLOSE_WAIT or ending up in the TIME_WAIT state.
If you must restart your server application which currently has thousands of client connections you might consider setting this socket option to avoid thousands of server sockets in TIME_WAIT (when calling close() from the server end) as t...
Android splash screen image sizes to fit all devices
...s to design a different splash screen for every single resolution. You can start by following the resolutions in the table at the end of this page (there are more. Example: 960 x 720 is not listed there). And assuming you have some small detail in the image, such as small text, you have to design mo...
Difference between classification and clustering in data mining? [closed]
...st.
Let’s get back to Kylo Ren. Let’s say Kylo picks up the saber and starts playing with it. He accidentally hits a stormtrooper and the stormtrooper gets injured. He doesn’t understand what’s going on and continues playing. Next he hits a cat and the cat gets injured. This time Kylo is su...
How to pass the values from one activity to previous activity
...e secondary Activity (your 'Edit Text' Activity) as a subactivity by using startActivityForResult from your main Activity.
Intent i = new Intent(this,TextEntryActivity.class);
startActivityForResult(i, STATIC_INTEGER_VALUE);
Within the subactivity, rather than just closing the Activity when a...
Assert an object is a specific type
...nswer, it is NOT correct and leads to multiple compilation errors: Illegal start of expression, illegal start of type, ';' expected... In other words, your second parameter to the assertThat matcher, CANNOT be "instanceof (BaseClass.class)"! In fact, you didnt even type that correctly, the syntax y...