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Move all files except one
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@Juliano Very cool command! Are there more mathematical operations like OR and XOR? I assume a pipe is for AND.
– Léo Léopold Hertz 준영
Mar 22 '09 at 3:39
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
...other pairs (2^n-1,2^n) I expect you'll see similar effects.
To explain more fully, in the inner loop, where you access matice2[m,k], it's likely that matice2[m,k] and matice2[m+1,k] are offset from each other by 2048*sizeof(float) and thus map to the same index in the L1 cache. With an N-way as...
How can I get a user's media from Instagram without authenticating as a user?
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@MattFletcher it's even more stupid now, one must go through app permission review, and not sure if it's even feasible since this use case "showing client's own feed in their own webpage" is not one of the use cases. Duh, these restrictions suck.
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Ways to save enums in database
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We never store enumerations as numerical ordinal values anymore; it makes debugging and support way too difficult. We store the actual enumeration value converted to string:
public enum Suit { Spade, Heart, Diamond, Club }
Suit theSuit = Suit.Heart;
szQuery = "INSERT INTO Customer...
How to auto-reload files in Node.js?
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Working with select using AngularJS's ng-options
...ions="item.ID as item.Title for item in items"></select>
Here's more from AngularJS's documentation (if you haven't seen it):
for array data sources:
label for value in array
select as label for value in array
label group by group for value in array
= select as label gro...
What's the key difference between HTML 4 and HTML 5?
...e the majority of <div>s used on a web page, making your pages a bit more semantic, but more importantly, easier to read. No more painful scanning to see just what that random </div> is closing - instead you'll have an obvious </header>, or </article>, making the structure o...
SQL: How to properly check if a record exists
...eneraly we use it (the verify) when want do something, then your answer is more complete.
– Abner Escócio
Nov 7 '18 at 18:43
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PUT vs. POST in REST
...ng_question> HTTP/1.1
Host: www.example.com/
Additionally, and a bit more concisely, RFC 7231 Section 4.3.4 PUT states (emphasis added),
4.3.4. PUT
The PUT method requests that the state of the target resource be
created or replaced with the state defined by the representation
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Find first element in a sequence that matches a predicate
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@geekazoid: seq.find(&method(:predicate)) or even more concise for instance methods e.g.: [1,1,4].find(&:even?)
– jfs
Jul 20 '15 at 5:07
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