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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
...ack memory with 0xCC. It also inserts a space between every stack frame in order to detect buffer overflows. A very simple example of where this is useful is here (in practice Visual Studio would spot this problem and issue a warning):
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bool error; // uninitialised value
if(something)
{...
How can I remove non-ASCII characters but leave periods and spaces using Python?
...j d'
Python2: str -> unicode -> str (decode and encode in reverse order)
>>> "hej d\xe5".decode("ascii", errors="ignore").encode()
'hej d'
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What does 'require: false' in Gemfile mean?
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In order to require gems in your Gemfile, you will need to call Bundler.require.
You can prevent bundler from requiring the gem with require: false, but it will still install and maintain the gem. Check this out for a more det...
Razor view engine, how to enter preprocessor(#if debug)
...ompiled so #IF DEBUG can't work in a view. If you want to compile view in order to access IF DEBUG config, you need to :
Right click on your project in Visual Studio
Unload project
Edit project
change the following attribute from false to true
<MvcBuildViews>true</MvcBuildViews>
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Techniques for Tracing Constraints
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Resize image proportionally with CSS? [duplicate]
Is there a way to resize (scale down) images proportionally using ONLY CSS?
18 Answers
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How can you list the matches of Vim's search?
...t;cword>\>" . -r<CR>:copen 33<CR>
" omit a dir from all searches to perform globally
set wildignore+=**/node_modules/**
" use perl regexes - src: http://andrewradev.com/2011/05/08/vim-regexes/
noremap / /\v
"
" STOP search related configs and helps
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How to read from standard input in the console?
... you shall use scanner.Scan() prior to scanner.Text() that is mandatory in order to parse the input for stdin ending with an enter \n, right?
– Victor
Jul 20 at 13:15
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C++ performance vs. Java/C#
...pertise to get it), you'll have to go unmanaged, but for me, I'll take the order of magnitude advantage I have on the first versions over the 33% I gain if I try 6 times.
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iOS 7 style Blur view
...class that is using an AVCapture session. You must use AVCaptureSession in order to override apple's built in camera configuration. Thus you can overlay the tranclucent UIToolBar from the YourUIView class.
YourViewController.h
#import <UIKit/UIKit.h>
@interface YourViewController : UIViewCo...