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What is a bus error?

... when your processor cannot even attempt the memory access requested, typically: using a processor instruction with an address that does not satisfy its alignment requirements. Segmentation faults occur when accessing memory which does not belong to your process, they are very common and are typ...
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How can I select and upload multiple files with HTML and PHP, using HTTP POST?

...nctype="multipart/form-data"> <input type="file" name="my_file[]" multiple> <input type="submit" value="Upload"> </form> <?php if (isset($_FILES['my_file'])) { $myFile = $_FILES['my_file']; $f...
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convert_tz returns null

...ving these files to a different location such as /usr/share/zoneinfo/.bak/ allows for the command mysql_tzinfo_to_sql /usr/share/zoneinfo | mysql -u root -p mysql to fully populate all of the expected timezone information. This may or may not be a bug in my installed version of MySQL: $ mysql -...
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What are the main performance differences between varchar and nvarchar SQL Server data types?

I'm working on a database for a small web app at my school using SQL Server 2005 . I see a couple of schools of thought on the issue of varchar vs nvarchar : ...
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How to access app.config in a blueprint?

...horisation.py which in a package api. I am initializing the blueprint in __init__.py which is used in authorisation.py . ...
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How to use PyCharm to debug Scrapy projects

... a virtualenv with Python 3.5.0 and setting the "script" parameter to /path_to_project_env/env/bin/scrapy solved the issue for me. share | improve this answer | follow ...
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Remove spaces from std::string in C++

... preferred way to remove spaces from a string in C++? I could loop through all the characters and build a new string, but is there a better way? ...
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Haml: Control whitespace around text

...t;a href='thing'>here</a>. precede: = precede '*' do %span.small Not really Produces: *<span class='small'>Not really</span> To answer the original question: I will first = succeed ',' do = link_to 'link somewhere', 'http://example.com' - if @condition then render...
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Reload an iframe with jQuery

...tion() { document.location.reload(); }); and you are good to go with all browsers. Reload an iframe with HTML (no Java Script req.) It have more simpler solution: which works without javaScript in (FF, Webkit) just make an anchor inSide your iframe <a href="#" target="_SELF">Refre...
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How do I mock a service that returns promise in AngularJS Jasmine unit test?

...ce; beforeEach(module('app.myService')); beforeEach(inject( function(_myService_, myOtherService, $q){ myService = _myService_; spyOn(myOtherService, "makeRemoteCallReturningPromise").and.callFake(function() { var deferred = $q.defer(); deferred.resolve('Remote call res...