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Can two different strings generate the same MD5 hash code?
...84bf36e8e4b55b35f427593d849676da0d1d55d8360fb5f07fea2 | fold -w2)
--- /dev/fd/63 2016-02-05 12:55:04.000000000 +0000
+++ /dev/fd/62 2016-02-05 12:55:04.000000000 +0000
@@ -33,7 +33,7 @@
af
bf
a2
-00
+02
a8
28
4b
@@ -53,7 +53,7 @@
6d
a0
d1
-55
+d5
5d
83
60
Above collision example is t...
How do you sign a Certificate Signing Request with your Certification Authority?
...Sign
Signature Algorithm: sha256WithRSAEncryption
4a:6f:1f:ac:fd:fb:1e:a4:6d:08:eb:f5:af:f6:1e:48:a5:c7:
...
cd:c6:ac:30:f9:15:83:41:c1:d1:20:fa:85:e7:4f:35:8f:b5:
38:ff:fd:55:68:2c:3e:37
And test its purpose with the following (don't worry about the Any Pur...
Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
...in BCNF because there is no column (either key or non-key) that is functionally dependent on anything besides that key.
Because each pizza must have exactly one of each topping type, we know that (Pizza, Topping Type) is a candidate key. We also know intuitively that a given topping cannot belong ...
UDP vs TCP, how much faster is it? [closed]
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There are actually many cases where TCP is actually faster than UDP. See my answer below.
– Robert S. Barnes
Feb 15 '11 at 6:53
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程序员之网络安全系列（二）：如何安全保存用户密码及哈希算法 - 更多技术 ...
... true
2.2.3 :004 > puts Digest::MD5.hexdigest('I love you')
e4f58a805a6e1fd0f6bef58c86f9ceb3
=> nil
2.2.3 :005 > puts Digest::MD5.hexdigest('I love you!')
690a8cda8894e37a6fff4d1790d53b33
=> nil
2.2.3 :006 > puts Digest::MD5.hexdigest('I love you !')
b2c63c3ca6019cff3bad64fcfa807361
=> nil
...
Disable autocomplete via CSS
... it possible to use CSS to disable autocomplete on a form element (specifically a textfield)?
12 Answers
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Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
...
$ git diff
diff --git a/.gitmodules b/.gitmodules
index 6fc0b3d..fd1cc29 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
[submodule "DbConnector"]
path = DbConnector
url = https://github.com/chaconinc/DbConnector
+ branch = stable
Submodule DbConn...
Delete specific line number(s) from a text file using sed?
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Not all unixes have gnu sed with "-i". Don't make the mistake of falling back to "sed cmd file > file", which will wipe out your file.
– pra
Jan 22 '10 at 6:53
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Disable submit button when form invalid with AngularJS
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+1 Coincidentally, I was just reading this great post of yours: benlesh.com/2012/11/angular-js-form-validation.html
– Ben
May 15 '14 at 17:48
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How to encode a URL in Swift [duplicate]
...
Swift 4.2
var urlString = originalString.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed)
Swift 3.0
var address = "American Tourister, Abids Road, Bogulkunta, Hyderabad, Andhra Pradesh, India"
let escapedAddress = address.addingPercentEncoding(withAllowedCharacters: Characte...