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What is memoization and how can I use it in Python?
... no idea what memoization is and how to use it. Also, may I have a simplified example?
13 Answers
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How do I forward declare an inner class? [duplicate]
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This is simply not possible. You cannot forward declare a nested structure outside the container. You can only forward declare it within the container.
You'll need to do one of the following
Make the class non-nested
Change your declaration order so that the...
How to refresh an IFrame using Javascript?
I have a webpage with an IFrame and a Button, once the button is pressed I need the IFrame to be refreshed. Is this possible, if so how? I searched and could not find any answers.
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How to convert .crt to .pem [duplicate]
...with the OpenSSL library
http://www.openssl.org/
Windows binaries can be found here:
http://www.slproweb.com/products/Win32OpenSSL.html
Once you have the library installed, the command you need to issue is:
openssl x509 -in mycert.crt -out mycert.pem -outform PEM
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Difference between mkdir() and mkdirs() in java for java.io.File [closed]
Can anyone tell me the difference between these two methods:
3 Answers
3
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How to create a circular ImageView in Android? [duplicate]
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I too needed a rounded ImageView, I used the below code, you can modify it accordingly:
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import a...
c语言编程中%g是什么格式？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...什么格式？%g用来输出实数，它根据数值的大小，自动选f格式或e格式（选择输出时占宽度较小的一种），且不输出无意义的0。即%g是根据结果自动选择科学...%g用来输出实数，它根据数值的大小，自动选f格式或e格式（选择输出...
c++11右值引用、std::move移动语义、std::forward完美转发的一些总结 - C/C...
c++11右值引用、std::move移动语义、std::forward完美转发的一些总结c++11_rvalue_move_forwardstd::move 实际上并不能移动任何东西，它唯一的功能是将一个左值强制转换为右值引用，继而用于移动语义。从实现上讲，它基本等同于一个类型...
Office2013密钥 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Office2013密钥更新中来自Office2013激活吧PRO PLUS:9RN4T-JPBQV-XQMC9-PM9FP-PGWP9TKX7J-VDN26-Y2WKQ-7MG8R-X2CC9N9M8X-QDKGK-W27Q6-2GQYT-TJC9K4VNXV-F...更新中
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防挂马：apache禁止访问文件或目录执行权限、禁止运行脚本PHP文件的设置方...
...无权限的列子,配置如下:代码如下:<Directory " var www upload"><FilesMatch " PHP">Order Allow,DenyDe 我们来看俩段通常对上传目录设置无权限的列子,配置如下:
代码如下:
<Directory "/var/www/upload">
<FilesMatch ".PHP">
Order Allow,Deny
Deny from all
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