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Shared-memory objects in multiprocessing

...ates access to it from other processes (even over a network). The Manager approach can be used with arbitrary Python objects, but will be slower than the equivalent using shared memory because the objects need to be serialized/deserialized and sent between processes. There are a wealth of parallel...
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What are named pipes?

...tain the credentials of the thing on the other end etc). Unix named pipes appear as a special file in the filesystem and can be accessed with normal file IO commands including the shell. Windows ones don't, and need to be opened with a special system call (after which they behave mostly like a norm...
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Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue

I'm working on a UI for an app, and I'm attempting to use grayscale icons, and allow the user to change the theme to a color of their choosing. To do this, I'm trying to just apply a ColorFilter of some sort to overlay a color on top of the drawable. I've tried using PorterDuff.Mode.MULTIPLY, and it...
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Setting the default Java character encoding

...Charset.defaultCharset() to find the current default encoding, and use the appropriate method or constructor overload to specify it. share | improve this answer | follow ...
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How to extract text from a PDF? [closed]

... was split into pages with headers, etc., but it was then easy to write an app to strip out blank lines, etc, and suck in all 30,000 records. -dSIMPLE and -dCOMPLEX made no difference in this case. share | ...
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Replace Fragment inside a ViewPager

...u probably noticed yourself, using that ID in your code causes nothing to happen. I will explain why: First of all, to make ViewPager repopulate the pages, you need to call notifyDataSetChanged() that resides in the base class of your adapter. Second, ViewPager uses the getItemPosition() abstract ...
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How to add color to Github's README.md file

... Very useful info, helpful when creating web apps in the backend. – Tropicalrambler Feb 5 '19 at 16:08 add a comment  |  ...
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When is JavaScript's eval() not evil?

...ng dangerous? When you know what the danger is, and when you're taking the appropriate precautions. To the point, let's look at the dangers in the use of eval(). There are probably many small hidden dangers just like everything else, but the two big risks - the reason why eval() is considered evil ...
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Git: How to squash all commits on branch

...- non destructive and only oops moment may be checking in too much such as app secrets etc, which shouldn't matter if you have a proper gitignore file – kkarakk May 31 '19 at 6:41 ...
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Catch All Bugs with BugTrap! - 开源 & Github - 清泛网 - 专注IT技能提升

...Other enhancements - Tons of features/options added since last update. See app history for details Introduction Some time ago, I was working on a multi-tier application with quite complex logic. The application was handling medical information, and it was important to correctly synchronize dat...