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How to convert a PIL Image into a numpy array?

....readthedocs.io/en/3.4.x/reference/…), but a pillow image implements the __array_interface__ which numpy can use to access the raw bytes of an image without having to pass through an iterator (see github.com/python-pillow/Pillow/blob/… and docs.scipy.org/doc/numpy/reference/arrays.interface.html...
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Eclipse - no Java (JRE) / (JDK) … no virtual machine

... (the first one referenced by your PATH) Three things to remember: "Installing" a JRE or a JDK can be as simple as unzipping or copying it from another computer: there is no special installation steps, and you can have as many different JVM versions (1.4, 5.0, 6.0...) as you want, "installed" (co...
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Why should hash functions use a prime number modulus?

... Usually a simple hash function works by taking the "component parts" of the input (characters in the case of a string), and multiplying them by the powers of some constant, and adding them together in some integer type. So for e...
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last day of month calculation

... YearMonth.of(2019,7).atDay(1) See https://docs.oracle.com/javase/8/docs/api/java/time/YearMonth.html#atEndOfMonth-- share | improve this answer | follow | ...
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In a javascript array, how do I get the last 5 elements, excluding the first element?

... huge javascript minified file if your trying to do it from your browser. _.slice(_.rest(arr), -5) share | improve this answer | follow | ...
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Copy folder recursively, excluding some folders

...kHuginnsson - What systems are you using? Rsync is included by default in all mainstream Linux distros I know of, including RHEL, CentOS, Debian, and Ubuntu, and I believe it's in FreeBSD as well. – siliconrockstar Jan 30 '15 at 19:50 ...
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Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...

...环境配置 1、安装一下过程中所依赖的一些rpm包 yum install -y tcl-devel libart_lgpl-devel libtool-ltdl-devel 2、关闭sendmail,并取消其开机启动 service sendmail stop chkconfig sendmail off 3、配置编译环境,安装开发包组 yum groupinstall -y "Develop...
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Understanding :source option of has_one/has_many through of Rails

...the :source option of has_one/has_many :through association. The Rails API explanation makes very little sense to me. 3...
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How to display request headers with command line curl

... @SergeyVlasov Actually, the equivalent of /dev/null in Windows is nul, not null. – Francisco Zarabozo Dec 11 '17 at 7:37 3 ...
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this.setState isn't merging states as I would expect

...construct a new state and then call setState() on that: var newSelected = _.extend({}, this.state.selected); newSelected.name = 'Barfoo'; this.setState({ selected: newSelected }); I've used function _.extend() function (from underscore.js library) here to prevent modification to the existing sele...