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Building and running app via Gradle and Android Studio is slower than via Eclipse
...-Dfile.encoding=UTF-8
# When configured, Gradle will run in incubating parallel mode.
# This option should only be used with decoupled projects. More details, visit
# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
org.gradle.parallel=true
# Enables ne...
Minimal web server using netcat
...ces:
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
0 0 0 314 18 78 0 0 2 1 306 31 0 0 100 0
Addresses:
eth0 Link encap:Ethernet HWaddr b8:27:eb:...
Most efficient way of making an if-elif-elif-else statement when the else is done the most?
...doThisMostOfTheTime)()
...looks like it ought to be faster, but it's actually slower than the if ... elif ... else construct, because it has to call a function, which can be a significant performance overhead in a tight loop.
Consider these examples...
1.py
something = 'something'
for i in xra...
HTTP vs HTTPS performance
...any major differences in performance between http and https? I seem to recall reading that HTTPS can be a fifth as fast as HTTP. Is this valid with the current generation webservers/browsers? If so, are there any whitepapers to support it?
...
What's the point of having pointers in Go?
I know that pointers in Go allow mutation of a function's arguments, but wouldn't it have been simpler if they adopted just references (with appropriate const or mutable qualifiers). Now we have pointers and for some built-in types like maps and channels implicit pass by reference.
...
What's the difference between `1L` and `1`?
... large vectors, that's less wasted memory and less to wade through for the CPU (so it's typically faster).
Mostly this applies when working with indices.
Here's an example where adding 1 to an integer vector turns it into a double vector:
x <- 1:100
typeof(x) # integer
y <- x+1
typeof(y) # ...
What is the difference between using IDisposable vs a destructor in C#?
...ent but were abandoned without unsubscribing, that could cause a memory or CPU leak (since the time required to process each subscription would increase).
– supercat
May 18 '15 at 16:35
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你以为发传单真的这么简单吗?（提升成功率干货） - 更多技术 - 清泛网 - 专...
...的，时而吆喝、时而蹿到你面前，俨然游戏关主。
那么问题来了：面对传单夹击，到底要肿么办？
道德帝一定会说：接一下传单又不会死！人家发传单那么辛苦>>>
曾经姐也秉着自以为体贴的心态，一路上来者不拒接下成沓广...
Android Game Keeps Getting Hacked [closed]
...d someone hacks it and puts it up on a mirror. We setup Google Alerts for all our apps, so we get told daily who's doing the hacking. So far, we have implemented the licensing service as Google has suggested, our salt is randomly made each time the license is initiated with the unique device ID. ...
How slow are .NET exceptions?
...e, where failure means "The file isn't in the format it's meant to be, I really don't want to try to handle this as I don't know what else might be wrong."
When using exceptions in "only reasonable circumstances" I've never seen an application whose performance was significantly impaired by excepti...