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What are the differences between Deferred, Promise and Future in JavaScript?
...es from [Functional Reactive Programming|haskell.org/haskellwiki/Functional_Reactive_Programming], which is a technique for flattening callbacks."
– fncomp
Feb 11 '13 at 5:32
2
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Java 8 Streams: multiple filters vs. complex condition
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8 CPU
1 GB RAM
OS version: 16.04.1 LTS (Xenial Xerus)
java version: 1.8.0_121
jvm: -XX:+UseG1GC -server -Xmx1024m -Xms1024m
UPDATE:
Java 11 has some progress on the performance, but the dynamics stay the same
Benchmark mode: Throughput, ops/time
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How can I deploy/push only a subdirectory of my git repo to Heroku?
...uction
also, every refresh of the engine wants to update your rails stack -_-
only solution I've found is to use the engine as a /vendor symlink in development, and actually copy the files for production
The solution
The app in question has 4 projects in git root:
api - depending on the profil...
How do you check if a variable is an array in JavaScript? [duplicate]
...re https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray
variable instanceof Array
This method runs about 1/3 the speed as the first example. Still pretty solid, looks cleaner, if you're all about pretty code and not so much on performance. Note that check...
Enabling WiFi on Android Emulator
... elsewhere.)
In theory, linux (the kernel underlying android) has mac80211_hwsim driver, which simulates WiFi. It can be used to set up several WiFi devices (an acces point, and another WiFi device, and so on), which would make up a WiFi network.
It's useful for testing WiFi programs under linux. ...
How do I write a correct micro-benchmark in Java?
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Some paper from javaOne: azulsystems.com/events/javaone_2009/session/…
– bestsss
Jun 5 '11 at 12:29
95
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How do I get an apk file from an Android device?
...... /Users/bbb/Android/android-sdk-mac_86/tools/adb pull Android2.2Froyo/sdcard/iTwips.apk /Users/bbb Thanks is advance.......
– Finder
Oct 27 '10 at 13:17
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How to change the output color of echo in Linux
...are as follows:
Num Colour #define R G B
0 black COLOR_BLACK 0,0,0
1 red COLOR_RED 1,0,0
2 green COLOR_GREEN 0,1,0
3 yellow COLOR_YELLOW 1,1,0
4 blue COLOR_BLUE 0,0,1
5 magenta COLOR_MAGENTA 1,0,1
6 cyan COLOR_CY...
How to see which commits in one branch aren't in the other?
...The documentation provides a concrete example: git-scm.com/docs/git-cherry#_concrete_example
– ams
Jul 23 '19 at 15:01
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How to avoid reinstalling packages when building Docker image for Python projects?
...r requirements.txt
ADD . /srv
RUN python setup.py install
ENTRYPOINT ["run_server"]
Docker will use cache during pip install as long as you do not make any changes to the requirements.txt, irrespective of the fact whether other code files at . were changed or not. Here's an example.
Here's a simp...