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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...名，这些名称在任何数据库中都不建议使用中文。
与 TaifunSQLite 功能类似，但TaifunSQLite是收费的，美刀。
1.3版本更新（2025/09/24）
查询SQL结果优化为AppInventor标准的二维列表，通过列表索引可以取到单元格...
Should CSS always preceed Javascript?
... require('fs');
app.listen(90);
var file={};
fs.readdirSync('.').forEach(function(f) {
console.log(f)
file[f] = fs.readFileSync(f);
if (f != 'jquery.js' && f != 'style.css') app.get('/' + f, function(req,res) {
res.contentType(f);
res.send(file[f]);
});
});
...
Mock framework vs MS Fakes frameworks
...ck, however the approach is different, Fakes generates code to achive this functionality but Mocks framework does not. So is my understanding correct? Is Fakes just another Mock framework
...
Can a local variable's memory be accessed outside its scope?
...w can it be? Isn't the memory of a local variable inaccessible outside its function?
You rent a hotel room. You put a book in the top drawer of the bedside table and go to sleep. You check out the next morning, but "forget" to give back your key. You steal the key!
A week later, you return to th...
Best practices for circular shift (rotate) operations in C++
...a rotate-right. (This optimizes away with compile-time-constant counts.)
Fun fact: ARM doesn't really have dedicated shift/rotate instructions, it's just MOV with the source operand going through the barrel-shifter in ROR mode: mov r0, r0, ror r1. So a rotate can fold into a register-source opera...
What Git branching models work for you?
...s necessary or not?!)": not always necessary, but it help keeping trace of functional dependencies (stackoverflow.com/questions/881092/…) and semantic conflicts (stackoverflow.com/questions/2514502/…)
– VonC
Apr 12 '10 at 13:39
...
Create code first, many to many, with additional fields in association table
...g will fetch the comments automatically behind the scenes.
Edit
Just for fun a few examples more how to add entities and relationships and how to delete them in this model:
1) Create one member and two comments of this member:
var member1 = new Member { FirstName = "Pete" };
var comment1 = new C...
var functionName = function() {} vs function functionName() {}
...
The difference is that functionOne is a function expression and so only defined when that line is reached, whereas functionTwo is a function declaration and is defined as soon as its surrounding function or script is executed (due to hoisting).
...
Quickly find whether a value is present in a C array?
... != theArray+SIZE;
}
If the compiler doesn't already apply it, then this function will do so for sure. On the other hand, it might make it harder on the optimizer to unroll the loop, so you will have to verify that in the generated assembly code...
...
Redis strings vs Redis hashes to represent JSON: efficiency?
...le get/set operation.
For BMiner answer.
Third option is actually really fun, for dataset with max(id) < has-max-ziplist-value this solution has O(N) complexity, because, surprise, Reddis store small hashes as array-like container of length/key/value objects!
But many times hashes contain ...