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Blocks and yields in Ruby
... gift from foo!") if block_given?
end
foo(10)
# OK: called as foo(10)
foo(123) {|y| puts "BLOCK: #{y} How nice =)"}
# OK: called as foo(123)
# BLOCK: A gift from foo! How nice =)
Or, using the special block argument syntax:
def bar(x, &block)
puts "OK: called as bar(#{x.inspect})"
block....
Which characters need to be escaped when using Bash?
... - y
12 E $'\022' 2C E \, 46 - F 60 E \` 7A - z
13 E $'\023' 2D - - 47 - G 61 - a 7B E \{
14 E $'\024' 2E - . 48 - H 62 - b 7C E \|
15 E $'\025' 2F - / 49 - I 63 - c ...
C# using streams
...sfer the strings to and from the stream as bytes. So
myStreamWriter.Write(123);
will write "123" (three characters '1', '2' then '3') to the stream. If you're dealing with text files (e.g. html), StreamReader and StreamWriter are the classes you would use.
Whereas
myBinaryWriter.Write(123);
w...
Build an iOS app without owning a mac? [closed]
...nage.exe modifyvm "Your VM Name" --cpuidset 00000001 000106e5 00100800 0098e3fd bfebfbff
VBoxManage setextradata "Your VM Name" "VBoxInternal/Devices/efi/0/Config/DmiSystemProduct" "iMac11,3"
VBoxManage setextradata "Your VM Name" "VBoxInternal/Devices/efi/0/Config/DmiSystemVersion" "1.0"
VBoxManage...
PHP convert XML to JSON
...ult in key pointing to array of elements: <list><item><a>123</a><a>456</a></item><item><a>123</a></item></list> -> {"item":[{"a":["123","456"]},{"a":"123"}]}. A solution at php.net by ratfactor solves that issue by always sto...
How to track down a “double free or corruption” error
...ibc.so.6+0x21c04)
previously allocated by thread T0 here:
#0 0x7f35b2d7a040 in operator new(unsigned long) /media/sf_shared/gcc-7.1.0/libsanitizer/asan/asan_new_delete.cc:80
#1 0x400ac9 in main /media/sf_shared/jkr/cpp/d_free/d_free.cxx:8
#2 0x7f35b2050c04 in __libc_start_main (/lib64/l...
What's the complete range for Chinese characters in Unicode?
...ied Ideographs Extension F
3007 3007 https://zh.wiktionary.org/wiki/%E3%80%87 in block CJK Symbols and Punctuation
In CJK Unified Ideographs block, I notice many answers use upper bound 9FCC, but U+9FCD(鿍) is indeed a chinese char. And all characters in this block are Chinese character...
PHP best way to MD5 multi-dimensional array?
... of post):
serialize()
1c4f1064ab79e4722f41ab5a8141b210
1ad0f2c7e690c8e3cd5c34f7c9b8573a
json_encode()
db7178ba34f9271bfca3a05c5dddf502
c9661c0852c2bd0e26ef7951b4ca9e6f
Sorted serialize()
1c4f1064ab79e4722f41ab5a8141b210
1c4f1064ab79e4722f41ab5a8141b210
Sorted json_encode()
db717...
Preferred order of writing latitude & longitude tuples in GIS services
.... For example, my hometown of Eugene, Oregon is at approximately N 44.1, W 123.1. If in maps.google.com I enter 44.1 -123.1, it goes to Eugene. If I enter -123.1 44, it tells me it can't find it. Interestingly, though, if I enter 123.1 W 44 N, it figures it out and goes to Eugene, so there is some f...
分享几个App Inventor 2“隐藏”的非常的实用的小技巧 - App Inventor 2 中...
...1Xj41147cn/
4、代码块导出图像，以及还原：https://www.fun123.cn/reference/other/download-pngs.html
5、iOS界面外观
6、过程参数，鼠标悬停时，可直接拖动获取和设置的代码块；参数可变：https://www.fun123.cn/reference/concepts/mutators.html...