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CoInitialize浅析一 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...A2B push [ebp+8] ; pvReserved
769B2A2E call _CoInitializeEx@8 ; CoInitializeEx(x,x)
769B2A33 pop ebp
769B2A34 retn 4
可以看到，其中的实现还是比较简单的，它只是简单地调用了CoInitializeEx，将...
Installing python module within code
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The officially recommended way to install packages from a script is by calling pip's command-line interface via a subprocess. Most other answers presented here are not supported by pip. Furthermore since pip v10, all code has been moved to pip._internal precisely in order to make it clear to use...
Check if a given key already exists in a dictionary
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You don't have to call keys:
if 'key1' in dict:
print("blah")
else:
print("boo")
That will be much faster as it uses the dictionary's hashing as opposed to doing a linear search, which calling keys would do.
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Failed to load resource: net::ERR_INSECURE_RESPONSE
... access looks sketchy, but its ok trust me. I wrote you both, You're technically code brothers/sisters/gender neutral siblings" ?
– discodane
Dec 4 '15 at 18:41
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What is “overhead”?
...memory overhead, whereas an array can potentially have 0% overhead.
Method call overhead: A well-designed program is broken down into lots of short methods. But each method call requires setting up a stack frame, copying parameters and a return address. This represents CPU overhead compared to a pro...
In Node.js, how do I “include” functions from my other files?
Let's say I have a file called app.js. Pretty simple:
26 Answers
26
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dpi value of default “large”, “medium” and “small” text views android
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See in the android sdk directory.
In \platforms\android-X\data\res\values\themes.xml:
<item name="textAppearanceLarge">@android:style/TextAppearance.Large</item>
<item name="textAppearanceMedium">@android:style/Te...
How do you Encrypt and Decrypt a PHP String?
...e Easier
One of the projects I've been working on is an encryption library called Halite, which aims to make libsodium easier and more intuitive.
<?php
use \ParagonIE\Halite\KeyFactory;
use \ParagonIE\Halite\Symmetric\Crypto as SymmetricCrypto;
// Generate a new random symmetric-key encryption k...
Alternatives to dispatch_get_current_queue() for completion blocks in iOS 6?
...nd, while the completion block should run in whatever queue the method was called.
7 Answers
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Replace multiple characters in one replace call
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If you want to replace multiple characters you can call the String.prototype.replace() with the replacement argument being a function that gets called for each match. All you need is an object representing the character mapping which you will use in that function.
For exampl...