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How many random elements before MD5 produces collisions?

...n separate directories. I use this to store user files in separate folders based on their user ID in S3. For example: "mybucket/users/1234/somefile.jpg". It's not exactly the same as a directory in a file system, but the S3 API has some features that let it work almost the same. I can ask it to li...
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qmake: could not find a Qt installation of ''

...s up the complete qt5 development installation for me: apt-get install qt5base-dev qtdeclarative5-dev qt5-qmake qt5-default qttools5-dev-tools And then check using: qtchooser -print-env – Salil Jan 25 '16 at 23:42 ...
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Array.Copy vs Buffer.BlockCopy

... Since the parameters to Buffer.BlockCopy are byte-based rather than index-based, you're more likely to screw up your code than if you use Array.Copy, so I would only use Buffer.BlockCopy in a performance-critical section of my code. ...
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Random alpha-numeric string in JavaScript? [duplicate]

...'#A!')); Fiddle: http://jsfiddle.net/wSQBx/2/ Alternatively, to use the base36 method as described below you could do something like this: function randomString(length) { return Math.round((Math.pow(36, length + 1) - Math.random() * Math.pow(36, length))).toString(36).slice(1); } ...
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Error to run Android Studio

..._91" Java(TM) SE Runtime Environment (build 1.8.0_91-b14) Java HotSpot(TM) 64-Bit Server VM (build 25.91-b14, mixed mode) Check what compiler is used javac -version It should show something like this javac 1.8.0_91 Finally, add JAVA_HOME to the environment variable Edit /etc/environment and...
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Android SDK Manager Not Installing Components

...roid Studio), do the following in Terminal cd /android/adt-bundle-mac-x86_64/sdk/tools sudo ./android sdk This launches SDK manager as admin. Now update/install the packages from SDK manager and it'll work. share ...
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How can I pad an int with leading zeros when using cout

... formatting information below. // // Print the number "n" in the given "base" // using exactly "numDigits". // Print +/- if signed flag "isSigned" is TRUE. // Use the character specified in "padchar" to pad extra characters. // // Examples: // sprintfNum(pszBuffer, 6, 10, 6, TRUE,...
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Why is require_once so bad to use?

...calls are made: time(NULL) = 1223772434 lstat64("/home", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 lstat64("/home/fbarnes", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 lstat64("/home/fbarnes/phpperf", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 lstat64("/home...
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Web API Put Request generates an Http 405 Method Not Allowed error

...PI-4.0_32bit" /> <remove name="ExtensionlessUrlHandler-ISAPI-4.0_64bit" /> <remove name="ExtensionlessUrlHandler-Integrated-4.0" /> <add name="ExtensionlessUrlHandler-ISAPI-4.0_32bit" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" modules="IsapiModule" sc...
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console.log timestamps in Chrome?

..., we can go out on a limb here and check for the format string specifiers, based on that produce different outputs. – JSmyth Feb 15 '14 at 20:12 ...