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How to find out which fonts are referenced and which are embedded in a PDF document
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For mac users, brew install poppler to easily get the pdffonts command
– Edward Newell
Mar 2 '16 at 3:00
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How to obtain the number of CPUs/cores in Linux from the command line?
...the number of all installed cores/processors use nproc --all
On my 8-core machine:
$ nproc --all
8
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TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
TLSF源码及算法介绍tlsf-two-level-segregated-fit官网地址：http: www gii upv es tlsf 官网的代码应该是主分支，github上的几个仓库更新不是那么及时。英文好的同学请直接看论文《TLSF: a New Dynamic Memory Allocator f 官网地址：http://www.gii.upv.es/...
Error when testing on iOS simulator: Couldn't register with the bootstrap server
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status: this has been seen as recently as Mac OS 10.8 and Xcode 4.4.
tl;dr: This can occur in two contexts: when running on the device and when running on the simulator. When running on the device, disconnecting and reconnecting the device seems to fix things.
Mike...
How do I install from a local cache with pip?
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export PIP_DOWNLOAD_CACHE=$HOME/.pip_download_cache
or, if you are on a Mac:
export PIP_DOWNLOAD_CACHE=$HOME/Library/Caches/pip-downloads
Notes
If a newer version of a package is detected, it will be downloaded and added to the PIP_DOWNLOAD_CACHE directory. For instance, I now have quite a f...
What is the proper #include for the function 'sleep()'?
..., not stdlib.h. Type man 3 sleep on your command line to confirm for your machine, but I presume you're on a Mac since you're learning Objective-C, and on a Mac, you need unistd.h.
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Webstorm: “Cannot Resolve Directory”
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In Webstorm 9.x on mac, it's under Webstorm->Preferences->'Your currently loaded project name'->Directories.
– ra170
Mar 16 '15 at 3:01
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Permission denied (publickey) when deploying heroku code. fatal: The remote end hung up unexpectedly
...bug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-cbc hmac-md5 none
debug1: kex: client->server aes128-cbc hmac-md5 none
debug1: sending SSH2_MSG_KEXDH_INIT
debug1: expecting SSH2_MSG_KEXDH_REPLY
debug1: Host 'heroku.com' is known and matches the RSA host key.
debug1: Found ke...
How to check if command line tools is installed
I have a macbook pro with OS X 10.8.2.
XCode is installed. I know this as it appears in the Applications directory.
There are also the xcodebuild and xcode-select files in /usr/bin
I need to know if the command line tools is installed.
Is there a command for it?
What can I do to see if XCode CLT is ...
iOS difference between isKindOfClass and isMemberOfClass
... doc for NSObject class and protocol:
http://developer.apple.com/library/mac/documentation/Cocoa/Reference/Foundation/Classes/NSObject_Class/Reference/Reference.html#//apple_ref/occ/cl/NSObject
http://developer.apple.com/library/mac/documentation/Cocoa/Reference/Foundation/Protocols/NSObject_Pro...