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Why should you use an ORM? [closed]
...her options that solve the remaining problems with less learning and fewer CPU cycles.
Oh yeah, some developers do find working with ORM's to be fun so ORM's are also good from the keep-your-developers-happy perspective. =)
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Round to at most 2 decimal places (only if necessary)
...JavaScript doesn't have home made floating point numbers; it relies on the CPU/FPU for that. A computer uses binary, and in binary, there isn't any numbers like 0.1, but a mere binary approximation for that. Why? For the same reason than 1/3 cannot be written in decimal: its value is 0.33333333... w...
Mac OSX Lion DNS lookup order [closed]
...ook into running your own local DNS resolver. There is a considerable disk/CPU hit from having to read /etc/hosts on every request, so it is in your best interest to keep that file very light.
One advantage of running something like dnsmasq locally (besides the significant performance boost) is tha...
In Docker, what's the difference between a container and an image? [duplicate]
...clude network options (IP, port, etc.), name, ID, and any resource limits (CPU, memory). If the Docker engine has been asked to run the container it will also initialise a process inside it. A container can be stopped and restarted, in which case it will retain all settings and filesystem changes (b...
Current time in microseconds in java
...t re-synchronize every now and then. The system time (currentTime) and the CPU clock (nanoTime) are NOT in sync, since they are often based on different hardware clocks. Additionally, the time server of your operating system re-synchronizes the system clock with an external time source, if available...
Memcache(d) vs. Varnish for speeding up 3 tier web architecture
... from doing a lot of read work, Varnish saves your dynamic web server from CPU load by making you generate pages less frequently (and lightens the db load a bit as well if not for Memcache).
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关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...程来处理的 IO 模型，但是效率相对比较差，也很容易出问题，所以暂时不做介绍了）。在这些多路复用的模式中，异步阻塞/非阻塞模式的扩展性和性能最好。
引入阻塞/非阻塞,、同步/异步比喻很形象的一段话：
有A，B，C，D...
C#: List All Classes in Assembly
...an't do anything because it is drilling away at trying to get them all. My CPU shoots to 30% on one of my 4 cores. I mean really I am just wondering if there is a way to say, "Hey - only look in THIS namespace" - I am under the impression that it's not possible because the GetTypes() method only has...
What's the best way to check if a String represents an integer in Java?
...rtinCarney I modified it and benchmarked pattern compilation. Obviously my CPU/JIT is faster, but if I interpolate it back, the compilation time is 336.
– tedder42
Oct 8 '14 at 23:26
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How do I install cygwin components from the command line?
... Nice! setup.exe is now called setup-x86.exe - or a variant depending on cpu bits. Also see here for the package list cygwin.com/packages
– ErichBSchulz
Jan 18 '14 at 6:43
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