SQL | Mongodb |
---|---|
INSERT INTO collection(username,email,age) VALUES('johndoe','johndoe_at_example.com',28) | db.collection.insert({username:'johndoe','johndoe_at_example.com'}) |
UPDATE collection SET username = 'jackdoe' WHERE email = 'johndoe_at_example.com'' | db.collection.update({email:'johndoe_at_example.com''},{$set{username:'jackdoe'}}) |
SELECT COUNT(*) as count FROM collection WHERE age >= 18 | db.collection.count({age:{$gte:18}}) or db.collection.aggregate([{$match:{age:{$gte:18}}},{$count:"count"}]) |
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# Make mouse useful in copy mode | |
setw -g mode-mouse on | |
# Allow mouse to select which pane to use | |
set -g mouse-select-pane on | |
# Allow mouse dragging to resize panes | |
set -g mouse-resize-pane on | |
# Allow mouse to select windows |
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-- PostgreSQL 9.2 beta (for the new JSON datatype) | |
-- You can actually use an earlier version and a TEXT type too | |
-- PL/V8 http://code.google.com/p/plv8js/wiki/PLV8 | |
-- Inspired by | |
-- http://people.planetpostgresql.org/andrew/index.php?/archives/249-Using-PLV8-to-index-JSON.html | |
-- http://ssql-pgaustin.herokuapp.com/#1 | |
-- JSON Types need to be mapped into corresponding PG types | |
-- |
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Latency Comparison Numbers | |
-------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
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// Named constants with unique integer values | |
var C = {}; | |
// Tokenizer States | |
var START = C.START = 0x11; | |
var TRUE1 = C.TRUE1 = 0x21; | |
var TRUE2 = C.TRUE2 = 0x22; | |
var TRUE3 = C.TRUE3 = 0x23; | |
var FALSE1 = C.FALSE1 = 0x31; | |
var FALSE2 = C.FALSE2 = 0x32; | |
var FALSE3 = C.FALSE3 = 0x33; |
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git init
or
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$ dnx gen controller --help | |
Finding the generator 'controller'... | |
Running the generator 'controller'... | |
Usage: controller [options] | |
Options: | |
--help|-h|-? Show help information | |
--useAsyncActions|-async Switch to indicate whether to generate async controller actions |
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Here is a list of scopes to use in Sublime Text 2 snippets - | |
ActionScript: source.actionscript.2 | |
AppleScript: source.applescript | |
ASP: source.asp | |
Batch FIle: source.dosbatch | |
C#: source.cs | |
C++: source.c++ | |
Clojure: source.clojure | |
CoffeeScript: source.coffee |
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// https://blogs.oracle.com/janp/entry/how_the_scp_protocol_works | |
package main | |
import ( | |
"fmt" | |
"golang.org/x/crypto/ssh" | |
) | |
const privateKey = `content of id_rsa` |
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[ | |
{ | |
"info": "html5 boilerplace", | |
"name": "html:5", | |
"text": "<!DOCTYPE html><html lang=\"en\">\n\t\t<head>\n\t\t\t<meta charset=\"UTF-8\" />\n\t\t\t<title>$$</title></head>\n\t\t<body>$$</body>\n</html>" | |
}, | |
{ | |
"info": "html", | |
"name": "html", | |
"text": "<html>$$</html>" |
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