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Are there benefits of passing by pointer over passing by reference in C++?
...inter types is not possible (pointers are builtin types). So you can't do string s = &str1 + &str2; using pointers.
No 0 values possible -> Called function doesn't have to check for them
Reference to const also accepts temporaries: void f(const T& t); ... f(T(a, b, c));, pointers ca...
What are “first class” objects?
...es.
In Java, for example, there are primitive types (int, bool, double, char) that aren't proper objects. That's why Java has to introduce Integer, Boolean, Double, and Character as first-class types. This can be hard to teach to beginners -- it isn't obvious why both a primitive type and a cla...
How to make rpm auto install dependencies
...transaction metadata from yum to DNF, run:
'dnf install python-dnf-plugins-extras-migrate && dnf-2 migrate'
Last metadata expiration check performed 0:28:24 ago on Fri Sep 25 12:43:44 2015.
Dependencies resolved.
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Convert String to SecureString
How to convert String to SecureString ?
13 Answers
13
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Google Authenticator implementation in Python
...cret (it must be correct parameter for base64.b32decode()) - preferably 16-char (no = signs), as it surely worked for both script and Google Authenticator.
Use get_hotp_token() if you want one-time passwords invalidated after each use. In Google Authenticator this type of passwords i mentioned as b...
How to create PDF files in Python [closed]
...h the style and markup you want for you pdf document
Executing pdfkit.from_string(...) method by passing the rendered html as parameter
This way you get a pdf document with styling and images supported.
You can install it as follows :
using pip
pip install pdfkit
You will also need to install...
Why aren't superclass __init__ methods automatically invoked?
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Often the subclass has extra parameters which can't be passed to the superclass.
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discuz插件开发新手入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...成1后 工具->清理缓存 然后刷新下页面就出现好多 类似string global_usernav_extra1的东西 这就是锚点，也是插件可以利用的点。
好了下面开始做插件：
后台 ->应用 ->设计新插件
提交后 请在插件管理中 启用即可
然后点击 设计...
Numpy index slice without losing dimension information
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The example is missing extra brackets for the tuple in the assignment to b; it should be b = np.zeros((100,10)).
– Jerzy
Mar 17 '17 at 20:18
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Is there a way to provide named parameters in a function call in JavaScript?
...se to what you want, but it is based on the output of Function.prototype.toString [ES5], which is implementation dependent to some degree, so it might not be cross-browser compatible.
The idea is to parse the parameter names from the string representation of the function so that you can associate t...