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Can two different strings generate the same MD5 hash code?
...ile there are no such known attacks (preimage attacks) against MD5 (as of 2011), it could become possible by extending the current research on collision attacks.
If these turn out to be a problem, I suggest looking at the SHA-2 series of hash functions (SHA-256, SHA-384 and SHA-512). The downside i...
Declare a block method parameter without using a typedef
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+1, though a typedef should really be preferred for more complicated cases.
– Fred Foo
Mar 30 '11 at 13:35
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Remove multiple spaces and new lines inside of String
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check out Rails squish method:
http://apidock.com/rails/String/squish
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In Rails, how do you render JSON using a view?
...your views/users/ dir, named show.json and after your users#show action is completed, it renders the file.
8 Answers
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Clear Application's Data Programmatically
...n API 19 (KitKat):
ActivityManager.clearApplicationUserData().
I highly recommend using it in new applications:
import android.os.Build.*;
if (VERSION_CODES.KITKAT <= VERSION.SDK_INT) {
((ActivityManager)context.getSystemService(ACTIVITY_SERVICE))
.clearApplicationUserData(); //...
How to calculate date difference in JavaScript?
...t that date's year(diff from 1970), month, day etc.
var date1 = new Date(2010, 6, 17);
var date2 = new Date(2013, 12, 18);
var diff = new Date(date2.getTime() - date1.getTime());
// diff is: Thu Jul 05 1973 04:00:00 GMT+0300 (EEST)
console.log(diff.getUTCFullYear() - 1970); // Gives difference as ...
Lightweight SQL editor for Eclipse [closed]
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What does Connect.js methodOverride do?
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And the source should be http://www.senchalabs.org/connect/methodOverride.html
– ilyaigpetrov
May 21 '13 at 6:45
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Best data type for storing currency values in a MySQL database
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A point about the size: according to MSDN (msdn.microsoft.com/en-us/library/ms187746.aspx), Decimal(10,4) and Decimal(19,4) both use 9 bytes of storage, so might as well spring for that extra 9 digits of scale.
– Adam Nofsinger
Mar 24 '10 at 14...
How do I remove a key from a JavaScript object? [duplicate]
...an exception when using delete in certain circumstances. See stackoverflow.com/questions/1073414/…
– nullability
Apr 9 '13 at 20:58
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