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Named regular expression group “(?Pregexp)”: what does “P” stand for?
... (?<group_name>…) syntax, which seems to be the most popular--even Java supports it now.
– Alan Moore
Apr 8 '12 at 5:43
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What is the most accurate way to retrieve a user's correct IP address in PHP?
...et a better measurement of the client ip address by pushing out a flash or java applet which connects back to the server via a non-http port (which would therefore reveal transparent proxies or cases where the proxy-injected headers are false - but bear in mind that, where the client can ONLY connec...
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
... 虽然 App Inventor 有现成的 MQTT 扩展，但它们需要额外的 JavaScript 或外部配置文件。此处介绍的 MQTT 客户端组件完全独立工作，不需要任何外部元素。它完全支持 MQTT 协议版本 3.1.1（除了这一点例外：订阅和取消订阅只能指定单...
PreparedStatement IN clause alternatives?
...at are the best workarounds for using a SQL IN clause with instances of java.sql.PreparedStatement , which is not supported for multiple values due to SQL injection attack security issues: One ? placeholder represents one value, rather than a list of values.
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Why do some functions have underscores “__” before and after the function name?
... in a name is a bit like choosing between protected and private in C++ and Java? _single_leading_underscore can be changed by children, but __double_leading_underscore can't?
– Alex W
Jun 4 '14 at 21:00
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REST API Authentication
...ver HTTPS so that information are not transferred plaintext
If you're on Java, Spring Security library provides good support to implement above method
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When should I use the Visitor Design Pattern? [closed]
... recursive node structure. Could be a directory or an XML tag.
[If your a Java person, imagine of a lot of extra methods to build and maintain the children list.]
class TreeNode( object ):
def __init__( self, name, *children ):
self.name= name
self.children= children
def vi...
Accessing private member variables from prototype-defined functions
...oesn't do anything. You may as well just make secret a property of this. JavaScript simply doesn't support private variables with prototypes as prototypes are bound to the call-site context, not the 'creation-site' context.
– nicodemus13
Jan 7 '17 at 13:03
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How to create default value for function argument in Clojure
...recur only works on the same arity. if you tried recur above, for example: java.lang.IllegalArgumentException: Mismatched argument count to recur, expected: 1 args, got: 2, compiling:
– djhaskin987
Aug 20 '14 at 13:16
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Can I find out the return value before returning while debugging in Intellij?
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