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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
... gcc-4.7.2 0.740s 0.832s -O2
Intel Xeon E5405 gcc-4.8.1 0.603s 0.804s -O2
Intel Xeon E5-2603 gcc-4.4.7 1.121s 1.122s -
Intel Core i3-3217U gcc-4.6.4 0.709s 0.709s ...
How to avoid long nesting of asynchronous functions in Node.js
...ar next = chain.shift();
fs.stat("f2a.js",next);
fs.stat("f2b.js",next);
},
function(err, stats) {
if ( --fork1 )
return;
console.log("step3");
var next = chain.shift();
var chain1 = [
function() {
cons...
Dynamically replace the contents of a C# method?
...ken, the high-order byte should be 0x06 (MethodDef), 0x0A (MemberRef) or 0x2B (MethodSpec). Also, the metadata token should be written in little-endian byte order. Finally, the metadata token is module specific and MethodInfo.MetadataToken will return the token from the declaring module, making it u...
Open new Terminal Tab from command line (Mac OS X)
...as a script (e.g. newtab.sh, newwin.sh): gist.github.com/westurner/01b6be85e5a51fda22a6
– Wes Turner
May 27 '15 at 17:36
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Why does struct alignment depend on whether a field type is primitive or user-defined?
... 1, Number of elements 1, Type VALUETYPE
Element Methodtable: 000007fe039d3a58
[0] 0000000003e72d18
Name: RefAndTwoInt32s
MethodTable: 000007fe039d3a58
EEClass: 000007fe03ae2338
Size: 32(0x20) bytes
File: C:\ConsoleApplication8\bin\Release\ConsoleApplicat...
Common programming mistakes for Clojure developers to avoid [closed]
...
user> (for [x '(1 2 3) y '(\a \b \c)] (str x y))
("1a" "1b" "1c" "2a" "2b" "2c" "3a" "3b" "3c")
There's also no break or continue to exit prematurely.
Overuse of structs
I come from an OOPish background so when I started Clojure my brain was still thinking in terms of objects. I found myse...
Custom toast on Android: a simple example
... purpose; Here is the link:
https://gist.github.com/TheLittleNaruto/6fc8f6a2b0d0583a240bd78313ba83bc
Check the HowToUse.kt in above link.
Output:
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绘画动画组件 · App Inventor 2 中文网
...) {
if x坐标 < 画布1.Width / 2 {
笔色[触摸点序号] = &HFFE53935
} else {
笔色[触摸点序号] = &HFF1E88E5
}
}
when 多点触控1.TouchMoving(组件, 触摸点序号, 起点X坐标, 起点Y坐标, 前点X坐标, 前点Y坐标, 当前X坐标, 当前Y坐标) {
画布1.Pai...
What does “Could not find or load main class” mean?
...n the classpath, then the JVM wouldn't be able to find the class.
Reason #2b - the subdirectory path doesn't match the FQN
If your classes FQN is com.acme.example.Foon, then the JVM is going to look for "Foon.class" in the directory "com/acme/example":
If your directory structure doesn't match t...
When do you use map vs flatMap in RxJava?
...age errors with RX can be found at: https://gist.github.com/daschl/db9fcc9d2b932115b679
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