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printf() formatting for hex

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Header files for x86 SIMD intrinsics

... These days you should normally just include <immintrin.h>. It includes everything. GCC and clang will stop you from using intrinsics for instructions you haven't enabled at compile time (e.g. with -march=native or -mavx2 -mbmi2 -mpopcnt -mfma ...
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Rails: create on has_one association

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What is the best place for storing uploaded images, SQL database or disk file system? [closed]

...stead you may use cloud storage (such as Amazon S3) or Infrastructure-as-a-service on top of it (such as Uploadcare): https://uploadcare.com/upload-api-cloud-storage-and-cdn/ But storing files in the database is a bad idea. ...
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What is cURL in PHP?

...files from. In my case I put them into /var/www/ for simplicity. 1. helloservice.php and 2. demo.php helloservice.php is very simple and essentially just echoes back any data it gets: <?php // Here is the data we will be sending to the service $some_data = array( 'message' => 'Hell...
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Close and Dispose - which to call?

...e threads Is SqlCommand.Dispose enough? and Closing and Disposing a WCF Service I am wondering for classes such as SqlConnection or one of the several classes inheriting from the Stream class does it matter if I close Dispose rather than Close? ...
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JavaScript frameworks to build single page applications [closed]

...ou're using Rails it should be a breeze to do this. Unfortunately, the web services for my app didn't really match up, and I had to write my own .sync and .parse methods for everything. The separation of Model and View code was nice, but since we'd have to write all our bindings from scratch it wasn...
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No empty constructor when create a service

...onstructor to your class i.e. one that takes no arguments: public ReminderService() { super("ReminderService"); } Explanation from the documentation: The name is used to name the worker thread. NOTE: this is only applicable to intent service. ...
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Avoid web.config inheritance in child web application using inheritInChildApplications

... This doesn't work for me? Any thoughts? I've a wcf service which has parent config set to SIT database connection. I have another folder in the same service which says "QA" and it contains same WCF service files as in SIT including the web.config but pointing the database to ...
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Dictionary vs Object - which is more efficient and why?

...ots__ = ('i', 'l') def __init__(self, i): self.i = i self.l = [] all = {} for i in range(1000000): all[i] = Obj(i) test_obj.py: class Obj(object): def __init__(self, i): self.i = i self.l = [] all = {} for i in range(1000000): all[i] = Obj(i) test_dict.py: all = {} for i in...