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Pass data to layout that are common to all pages
... provide such page title, page name and the location where we actually are for an HTML helper I did which perform some action. Also each page have their own view models properties.
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How to build for armv6 and armv7 architectures with iOS 5
...allows the app to run without crashing under iOS4. Specifically, we tested for iOS5 capabilities before trying to use them, and linked iOS5-only libraries as Optional.
So, supporting iPhone3G in an iOS5 world could just as easily mean "we want our app to run on iOS4 and above (regardless of any iOS...
App Inventor 2 实现上传文件到服务器全方案总结 · App Inventor 2 中文网
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php服务端代码参考：
python服务端参考：
from flask_restful import Api, Resource
from flask import Flask, request
app = Flask(__name__)
api = Api(app)
# 这边的类名是自己定义的
class receive_pic(Resource):
def put(self):
#接收二进制流保存为图...
Double vs. BigDecimal?
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Yep, I'm calculating the price for stock so I believe BigDecimal is useful in this case.
– Truong Ha
Aug 5 '10 at 9:51
5
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What predefined macro can I use to detect clang?
...ed to compile my source code. I can easily find predefined macros to check for MSVC or GCC (see http://predef.sourceforge.net/ for example), but I cannot find any macro to check for clang.
...
What do linkers do?
...rogram that does anything useful will need to reference other files. In C, for example, a simple program to print your name to the screen would consist of:
printf("Hello Kristina!\n");
When the compiler compiled your program into an obj file, it simply puts a reference to the printf function. The...
A non well formed numeric value encountered
I have a form that passes two dates (start and finish) to a PHP script that will add those to a DB. I am having problems validating this. I keep getting the following errors
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What's the proper way to install pip, virtualenv, and distribute for Python?
...nment:
INITIAL_ENV=bootstrap
# Set to whatever python interpreter you want for your first environment:
PYTHON=$(which python)
URL_BASE=https://pypi.python.org/packages/source/v/virtualenv
# --- Real work starts here ---
curl -O $URL_BASE/virtualenv-$VERSION.tar.gz
tar xzf virtualenv-$VERSION.tar.gz...
Installing Java 7 on Ubuntu
...longer works since Oracle end-of-lifed Java 7 and put the binary downloads for versions with security patches behind a paywall. Also, OpenJDK has grown up and is a more viable alternative nowadays.
In Ubuntu 16.04 and higher, Java 7 is no longer available. Usually you're best off installing Java 8...
std::string formatting like sprintf
I have to format std::string with sprintf and send it into file stream. How can I do this?
40 Answers
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