大约有 2,500 项符合查询结果(耗时:0.0262秒) [XML]

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What is the canonical way to determine commandline vs. http execution of a PHP script?

...['argc'] , but it turns out this is populated, even when using the 'Apache 2.0 Handler' server API. 5 Answers ...
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adding noise to a signal in python

...), dtype=float) print(clean_signal) """ print output: A B 0 1.0 2.0 1 3.0 4.0 """ import numpy as np mu, sigma = 0, 0.1 # creating a noise with the same dimension as the dataset (2,2) noise = np.random.normal(mu, sigma, [2,2]) print(noise) """ print output: array([[-0.11114313, 0...
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When to use Hadoop, HBase, Hive and Pig?

...f Hadoop There are two versions of Hadoop available : Hadoop 1.0 Hadoop 2.0 Hadoop 1.0 It has two main parts : 1. Data Storage Framework It is a general-purpose file system called Hadoop Distributed File System (HDFS). HDFS is schema-less It simply stores data files and these data files ca...
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What's the difference between a proxy server and a reverse proxy server? [closed]

... This answer is in line with httpd.apache.org/docs/2.0/mod/mod_proxy.html#forwardreverse and helps explain it clearly – Greg Woods Jun 7 '13 at 8:42 7 ...
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Use RSA private key to generate public key?

...nded by the PKCS#1 v1.5 as an alternative (second) representation. PKCS#1 v2.0 standard excludes e and d exponents from the alternative representation altogether. PKCS#1 v2.1 and v2.2 propose further changes to the alternative representation, by optionally including more CRT-related components. To ...
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What is the recommended batch size for SqlBulkCopy?

...wing) into a SQL Server 2005 database using a C# console application (.Net 2.0). As Jeremy has already pointed out, you will need to do some fine-tuning for your particular circumstances, but I would recommend you have an initial batch size of 500, and test values both above and below this. I go...
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How do I check for a network connection?

... You can check for a network connection in .NET 2.0 using GetIsNetworkAvailable(): System.Net.NetworkInformation.NetworkInterface.GetIsNetworkAvailable() To monitor changes in IP address or changes in network availability use the events from the NetworkChange class: Sy...
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What's the best UML diagramming tool? [closed]

... Detailed Examples: IBM Rational Software Architect did not implement UML 2.0 all the way when it comes to realizes type relationships when creating a UML profile, but Visual Paradigm and Sparx got it right. Ok, that was way too detailed, so a simpler example would be ArgoUML, which has no code ge...
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How to change webservice url endpoint?

...te the endpoint with your new wsdl location (assuming you are using JAX-WS 2.0+). Then inside your service, the getPort call should call super.getPort, which uses has your new port set in a serviceDelegate object. That's how it should work with javax.xml.ws.Service in JAX-WS 2.0. I'd put a breakpoin...
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How to perform OR condition in django queryset?

... @Oatman: | operator is documented. See docs.djangoproject.com/en/2.0/ref/models/querysets: "In general, Q() objects make it possible to define and reuse conditions. This permits the construction of complex database queries using | (OR) and & (AND) operators; in particular, it is not ot...