大约有 23,000 项符合查询结果(耗时:0.0541秒) [XML]
Do you (really) write exception safe code? [closed]
...e in code
Eschew std::sprintf, snprintf, and arrays in general - use std::ostringstream for formatting and replace arrays with std::vector and std::string
When in doubt, look for functionality in Boost or STL before rolling your own
I can only recommend that you learn how to use exceptions properl...
When writing a directive in AngularJS, how do I decide if I need no new scope, a new child scope, or
...utes evaluated in the context of the parent scope; they are either one-way strings ('@'), one-way expressions ('&'), or two-way variable bindings ('=').
On self-contained components, it doesn't make sense to need to apply other directives or attributes on it because it exists by itself. Its st...
Why does NULL = NULL evaluate to false in SQL server
...not mean they're equal. If when you think of NULL you think of “NULL” (string) then you probably want a different test of equality like Postgresql's IS DISTINCT FROM AND IS NOT DISTINCT FROM
From the PostgreSQL docs on "Comparison Functions and Operators"
expression IS DISTINCT FROM expression
...
List of Timezone ID's for use with FindTimeZoneById() in C#?
...
namespace TimeZoneIds
{
class Program
{
static void Main(string[] args)
{
foreach (TimeZoneInfo z in TimeZoneInfo.GetSystemTimeZones())
Console.WriteLine(z.Id);
}
}
}
The TimeZoneId results on my Windows 7 workstation:
Dateline ...
How to sort my paws?
...atial pattern of paw impacts. "paw_labels" should be a sequence
of the strings: "LH", "RH", "LF", "RF" corresponding to the different paws"""
# Check for problems... (This could be written a _lot_ more cleanly...)
problems = False
last = paw_labels[0]
for paw, dy, dx in zip(paw_l...
AngularJS: Service vs provider vs factory
...how it works';
});
Now you can see how ‘thingFromConfig’ is as empty string in our provider, but when that shows up in the DOM, it will be ‘This sentence was set…’.
share
|
improve this ...
C# Object Pooling Pattern implementation
...redPools.Default<List<Foo>>().Free(list);
}
2 - ListPool and StringBuilderPool - Not strictly separate implementations but wrappers around the SharedPools implementation shown above specifically for List and StringBuilder's. So this re-uses the pool of objects stored in SharedPools.
/...
When should I use Arrow functions in ECMAScript 6?
...licitly.
Many Object.prototype definitions live in the global scope (think String.prototype.truncate etc.) and those generally have to be of type function anyway. Consistently using function on the global scope helps avoid errors.
Many functions in the global scope are object constructors for old-st...
For-each over an array in JavaScript
... from its prototype), and
That the key is all decimal digits (e.g., normal string form, not scientific notation), and
That the key's value when coerced to a number is <= 2^32 - 2 (which is 4,294,967,294). Where does that number come from? It's part of the definition of an array index in the speci...
What's the difference between passing by reference vs. passing by value?
... will only change the parameter
}
public static void main(String... args) {
int value = 0;
Example ref = new Example(); // reference
// note what we pass is the reference, not the object. we can't
// pass objects. The reference is copied (pass-by-va...
