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What is causing “Unable to allocate memory for pool” in PHP?

... to something like: apc.mmap_file_mask=/tmp/apc.XXXXXX To mmap directly from /dev/zero, use: apc.mmap_file_mask=/dev/zero For POSIX-compliant shared-memory-backed mmap, use: apc.mmap_file_mask=/apc.shm.XXXXXX share ...
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How can I represent an 'Enum' in Python?

... numbers) will install a completely different and incompatible version. from enum import Enum # for enum34, or the stdlib version # from aenum import Enum # for the aenum version Animal = Enum('Animal', 'ant bee cat dog') Animal.ant # returns <Animal.ant: 1> Animal['ant'] # returns ...
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Java: random long number in 0

... Starting from Java 7 (or Android API Level 21 = 5.0+) you could directly use ThreadLocalRandom.current().nextLong(n) (for 0 ≤ x < n) and ThreadLocalRandom.current().nextLong(m, n) (for m ≤ x < n). See @Alex's answer for deta...
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Datetime - Get next tuesday

....DayOfWeek + 7) % 7) + 1; ... or you could use the original formula, but from tomorrow: DateTime tomorrow = DateTime.Today.AddDays(1); // The (... + 7) % 7 ensures we end up with a value in the range [0, 6] int daysUntilTuesday = ((int) DayOfWeek.Tuesday - (int) tomorrow.DayOfWeek + 7) % 7; DateT...
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What's the u prefix in a Python string?

... is a Unicode string. Q: I'm in a terrible, awful hurry and I landed here from Google Search. I'm trying to write this data to a file, I'm getting an error, and I need the dead simplest, probably flawed, solution this second. A: You should really read Joel's Absolute Minimum Every Software Develop...
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Ruby: How to post a file via HTTP as multipart/form-data?

I want to do an HTTP POST that looks like an HMTL form posted from a browser. Specifically, post some text fields and a file field. ...
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Can JSON start with “[”?

From what I can read on json.org , all JSON strings should start with { (curly brace), and [ characters (square brackets) represent an array element in JSON. ...
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Solutions for distributing HTML5 applications as desktop applications? [closed]

...avaScript with node-webkit. It also lets you call Node.js modules directly from the DOM and enables a new way of writing native applications with all Web technologies. Intel is behind this (?). I've been told it's very rough around the edges. Brackets Shell, the sandbox of Adobes code editor (and ...
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What is a lambda expression in C++11?

...and {} the function body. The capture list The capture list defines what from the outside of the lambda should be available inside the function body and how. It can be either: a value: [x] a reference [&x] any variable currently in scope by reference [&] same as 3, but by value [=] You...
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When to use an object instance variable versus passing an argument to the method

...f a class. Think of these as adjectives of the object that will be created from your class. If your instance data can be used to help describe the object, then it's probably safe to bet it's a good choice for instance data. Local variables are used within the scope of methods to help them complete t...