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How much is the overhead of smart pointers compared to normal pointers in C++?
...o overhead in the destructor. It does exactly the same as you would with a raw pointer.
– R. Martinho Fernandes
Dec 15 '14 at 11:22
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Java code To convert byte to Hexadecimal
...inal String HEXES = "0123456789ABCDEF";
static String getHex(byte[] raw) {
final StringBuilder hex = new StringBuilder(2 * raw.length);
for (final byte b : raw) {
hex.append(HEXES.charAt((b & 0xF0) >> 4)).append(HEXES.charAt((b & 0x0F)));
}
return hex.toS...
Difference between CLOCK_REALTIME and CLOCK_MONOTONIC?
...
Note that on newer kernels, CLOCK_MONOTONIC_RAW is available which is even better (no NTP adjustments).
– Joseph Garvin
Aug 20 '12 at 13:59
14
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PowerShell: Store Entire Text File Contents in Variable
...de note, in PowerShell 3.0 you can use the Get-Content cmdlet with the new Raw switch:
$text = Get-Content .\file.txt -Raw
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Laravel - Eloquent or Fluent random row
...The amount of items you wish to receive
Laravel 4.2.7 - 5.1:
User::orderByRaw("RAND()")->get();
Laravel 4.0 - 4.2.6:
User::orderBy(DB::raw('RAND()'))->get();
Laravel 3:
User::order_by(DB::raw('RAND()'))->get();
Check this article on MySQL random rows. Laravel 5.2 supports this, for olde...
How to create a video from images with FFmpeg?
...s://github.com/cirosantilli/media/blob/master/opengl-rotating-triangle.zip?raw=true
unzip opengl-rotating-triangle.zip
cd opengl-rotating-triangle
wget -O audio.ogg https://upload.wikimedia.org/wikipedia/commons/7/74/Alnitaque_%26_Moon_Shot_-_EURO_%28Extended_Mix%29.ogg
Images generated with: How ...
What C++ Smart Pointer Implementations are available?
...e rvalue auto pointer to a null pointer. Which leads to perhaps the worst drawback; they can't be used within STL containers due to the aforementioned inability to be copied. The final blow to any use case is they are slated to be deprecated in the next standard of C++.
std::auto_ptr_ref - This is ...
smart pointers (boost) explained
... pointers can point to the same object at the same time. This applies to a raw pointer too, however raw pointers lack an important feature: They do not define whether they are owning or not. A share of ownership smart pointer will delete the object if every owner gives up the object. This behavior h...
What happened to console.log in IE8?
... var args = Array.prototype.slice.call(arguments);
// console.raw captures the raw args, without converting toString
console.raw.push(args);
var message = args.join(' ');
console.messages.push(message);
fallback(message);
};
// redefine console
...
NoSQL - MongoDB vs CouchDB [closed]
...l vs the RESTful interface of CouchDB are all minor details.
If you want raw speed and to hell with data safety, you can make Mongo run faster than CouchDB as you can tell it to operate out of memory and not commit things to disk except for sparse intervals.
You can do the same with Couch, but it...