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Differences between dependencyManagement and dependencies in Maven
...ir way into the dependency tree indirectly. As an example, in chasing down javax.cache.cache-apI, I discovered a significantly newer version 1.0.0 (versus 0.3.0) that may as well be used throughout.
– David A. Gray
Sep 27 '17 at 21:16
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What is object slicing?
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C++ is not Java! If wantAnA (as its name implies!) wants an A, then that's what it gets. And an instance of A, will, uh, behave like an A. How is that surprising?
– fgp
Jan 22 '13 at 16:39
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How can I ensure that a division of integers is always rounded up?
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All the answers here so far seem rather over-complicated.
In C# and Java, for positive dividend and divisor, you simply need to do:
( dividend + divisor - 1 ) / divisor
Source: Number Conversion, Roland Backhouse, 2001
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What is the meaning of addToBackStack with null parameter?
....android.com/reference/android/app/FragmentTransaction.html#addToBackStack(java.lang.String)
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Unit Testing C Code [closed]
...r had taken over. I have become quite accustomed to writing unit tests in Java using JUnit but was at a loss as to the best way to write unit tests for existing code (which needed refactoring) as well as new code added to the system.
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How do I configure emacs for editing HTML files that contain Javascript?
...ul first steps of using emacs to edit an HTML file with both HTML tags and javascript content. I have installed nxhtml and tried using it - i.e set up to use nxhtml-mumamo-mode for .html files. But I am not loving it. When I am editing the Javascript portion of the code the tab indents do not b...
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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