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What characters can be used for up/down triangle (arrow without stem) for display in HTML?
...K
U+2693 ⚓ ANCHOR
U+2694 ⚔ CROSSED SWORDS
U+2695 ⚕ STAFF OF AESCULAPIUS
U+2696 ⚖ SCALES
U+2697 ⚗ ALEMBIC
U+2698 ⚘ FLOWER
U+2699 ⚙ GEAR
U+269A ⚚ STAFF OF HERMES
U+269B ⚛ ATOM SYMBOL
U+269C ⚜ FLEUR-DE-LIS
U+269D ⚝ OUTLINED WHITE STAR
U+269E ⚞ ...
搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...est/replset/data
#进入mongodb文件夹
cd /data/mongodbtest
3、下载mongodb的安装程序包
wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.4.8.tgz
注意linux生产环境不能安装32位的mongodb，因为32位受限于操作系统最大2G的文件限制。
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C++ Modules - why were they removed from C++0x? Will they be back later on?
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Update from 2018 Rapperswil, there is the merged proposal from Gabriel dos Reis and Richard Smith, p1103r0. botondballo.wordpress.com/2018/06/20/…
– Dwayne Robinson
Sep 27 '18 at 6:08
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How to retrieve an element from a set without removing it?
...areful if the collection is empty though.
– u0b34a0f6ae
Oct 23 '09 at 13:25
10
next(iter(s)) is a...
Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?
...lation involved (see http://blog.bittercoder.com/PermaLink,guid,206e64d1-29ae-4362-874b-83f5b103727f.aspx).
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delete map[key] in go?
...ssions["moo"], false; (or is that wrong?)
– u0b34a0f6ae
Nov 15 '09 at 22:22
That crashes unless the key is present. I'...
Hash function that produces short hashes?
...port uuid
unique_id = uuid.uuid4()
# unique_id = UUID('8da617a7-0bd6-4cce-ae49-5d31f2a5a35f')
hash = hashlib.sha1(str(unique_id).encode("UTF-8"))
# hash.hexdigest() = '882efb0f24a03938e5898aa6b69df2038a2c3f0e'
result = base64.b64encode(hash.digest())
# result = b'iC77DySgOTjliYqmtp3yA4osPw4='
T...
Best way to use PHP to encrypt and decrypt passwords? [duplicate]
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To Encrypt:
$iv = mcrypt_create_iv(
mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC),
MCRYPT_DEV_URANDOM
);
$encrypted = base64_encode(
$iv .
mcrypt_encrypt(
MCRYPT_RIJNDAEL_128,
hash('sha256', $key, true),
$string,
MCRYPT_MODE_CBC,
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Output of git branch in tree like fashion
...ariation of your pretty format that shows the author email as well, using %ae. Also I prefer to call the alias by "sl" to resemble hg's smartlog.
– fiorix
Dec 16 '17 at 9:40
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Is it possible to push a git stash to a remote repository?
...ed Oct 11 '09 at 10:47
u0b34a0f6aeu0b34a0f6ae
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