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ByteArray字节数组扩展 · App Inventor 2 中文网
... ByteArray1.Clear()
// 添加UTF-8字符串
ByteArray1.AddUTF8String("Hello 世界")
// 计算UTF-8字节大小
ByteSize = ByteArray1.GetUTF8ByteSize("Hello 世界")
// 重置读取位置并读取字符串
ByteArray1.ReadIndex = ByteArray1.Base
StringValue = ByteArray1.ReadUTF8Strin...
How do I do a case-insensitive string comparison?
...
Assuming ASCII strings:
string1 = 'Hello'
string2 = 'hello'
if string1.lower() == string2.lower():
print("The strings are the same (case insensitive)")
else:
print("The strings are NOT the same (case insensitive)")
...
What's the best name for a non-mutating “add” method on an immutable collection?
...ld from the empty list.
var list = ImmutableList<string>.Empty.And("Hello")
.And("Immutable")
.And("Word");
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...
What is cURL in PHP?
... PHP files from. In my case I put them into /var/www/ for simplicity.
1. helloservice.php and 2. demo.php
helloservice.php is very simple and essentially just echoes back any data it gets:
<?php
// Here is the data we will be sending to the service
$some_data = array(
'message' => ...
Pass Variables by Reference in Javascript
...
function alterObject(obj) {
obj.foo = "goodbye";
}
var myObj = { foo: "hello world" };
alterObject(myObj);
alert(myObj.foo); // "goodbye" instead of "hello world"
You can iterate over the properties of an array with a numeric index and modify each cell of the array, if you want.
var arr = [...
How to find and return a duplicate value in array
....new
arr.find { |e| !s.add?(e) }
end
find_a_dup_using_set arr
#=> "hello"
Use select in place of find to return an array of all duplicates.
Use Array#difference
class Array
def difference(other)
h = other.each_with_object(Hash.new(0)) { |e,h| h[e] += 1 }
reject { |e| h[e] >...
techniques for obscuring sensitive strings in C++
...on whose first six results are: 3, 6, 7, 10, 21, 47
Would yield the word "HELLO!" from the array above.
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...
Pull request vs Merge request
...erstood what Merge Request means the second I read it for the first time. "hello, could you please Merge this code to master branch?" vs "hello, could you pull this code to invisible branch for <implied merging>" - there's a clear winner here.
– Granitosaurus
...
Send attachments with PHP Mail()?
...t-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Hello World!!!
This is simple text email message.
--PHP-alt-<?php echo $random_hash; ?>
Content-Type: text/html; charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
<h2>Hello World!</h2>
<p>Th...
How I can I lazily read multiple JSON values from a file/stream in Python?
...(o):
yield x
Test it:
of = open("test.json","w")
of.write("""[ "hello" ] { "goodbye" : 1 } 1 2 {
} 2
9 78
4 5 { "animals" : [ "dog" , "lots of mice" ,
"cat" ] }
""")
of.close()
// open & stream the json
f = open("test.json","r")
for o in streamingiterload(f.readlines()):
print o
f...