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AngularJS-Twig conflict with double curly braces

...erpolation by Twig so you have to be more careful with the contents, especially if you are using expressions. If you still hate seeing all those curly braces, you can also create a simple macro to automate the process: {% macro curly(contents) %} {{ '{{' ~ contents ~ '}}' }} {% endmacro %} ...
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正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...代表的含意与\d就是完全一致的:一位数字;同理[a-z0-9A-Z_]也完全等同于\w(如果只考虑英文的话)。 下面是一个更复杂的表达式:\(?0\d{2}[) -]?\d{8}。 “(”和“)”也是元字符,后面的分组节里会提到,所以在这里需要使用转义...
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How to unit test an object with database queries

I've heard that unit testing is "totally awesome", "really cool" and "all manner of good things" but 70% or more of my files involve database access (some read and some write) and I'm not sure how to write a unit test for these files. ...
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Retain precision with double in Java

...red as a binary representation of a fraction and a exponent. More specifically, a double-precision floating point value such as the double type is a 64-bit value, where: 1 bit denotes the sign (positive or negative). 11 bits for the exponent. 52 bits for the significant digits (the fractional par...
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What does value & 0xff do in Java?

... that notation? x isn't a number or a hex number? – Callat Dec 5 '16 at 18:56 3 @KazRodgers - The...
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What is the native keyword in Java for?

...tation doesn’t have to use JNI. Certain JRE methods are handled intrinsically by the JVM. In fact, it’s not even mandatory that the implementation is actually native code. It’s just “implemented in a language other than the Java programming language”. – Holger ...
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JSTL in JSF2 Facelets… makes sense?

I would like to output a bit of Facelets code conditionally. 3 Answers 3 ...
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How to grep and replace

I need to recursively search for a specified string within all files and subdirectories within a directory and replace this string with another string. ...
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Installing R on Mac - Warning messages: Setting LC_CTYPE failed, using “C”

I would like install R on my laptop Mac OS X version 10.7.3 6 Answers 6 ...
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How to see which flags -march=native will activate?

I'm compiling my C++ app using GCC 4.3. Instead of manually selecting the optimization flags I'm using -march=native , which in theory should add all optimization flags applicable to the hardware I'm compiling on. But how can I check which flags is it actually using? ...