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Is volatile expensive?
...ffffffff,%ecx
0xb396ce93: mov $0xffffffff,%ebx
0xb396ce98: mov $0x6fa2b2f0,%esi ; {oop('Test2')}
0xb396ce9d: mov 0x150(%esi),%ebp
0xb396cea3: mov 0x154(%esi),%edi ;*getstatic l
; - Test2::run@0 (line 33)
0xb396cea9: cmp %ecx,%ebp
0xb396ceab: j...
How do I daemonize an arbitrary script in unix?
...is itself backed by svscan, so if a supervisor dies, it will be restarted. 2b. svscan is backed by init, which will auto-restart svscan as necessary. 2c. If your init dies for any reason, you're screwed anyway. :-P
– Chris Jester-Young
Mar 18 '10 at 4:33
...
How to display gpg key details without importing it?
...ng to guess what you mean ...
pub rsa8192 2012-12-25 [SC]
0D69E11F12BDBA077B3726AB4E1F799AA4FF2279
uid Jens Erat (born 1988-01-19 in Stuttgart, Germany)
uid Jens Erat <jens.erat@fsfe.org>
uid Jens Erat <jens.erat@uni-konstanz.de>
uid Jens E...
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...
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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Ternary operator is twice as slow as an if-else block?
... ptr [rax]
00000060 45 85 C9 test r9d,r9d
00000063 7E 2B jle 0000000000000090
00000065 33 D2 xor edx,edx
00000067 45 33 C0 xor r8d,r8d
0000006a 4C 8B 57 08 mov r10,qword ptr [rdi+8]
0000006e 6...
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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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...