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Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
I have some C++ code that prints a size_t :
9 Answers
9
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What does the PHP error message “Notice: Use of undefined constant” mean?
...
You should quote your array keys:
$department = mysql_real_escape_string($_POST['department']);
$name = mysql_real_escape_string($_POST['name']);
$email = mysql_real_escape_string($_POST['email']);
$message = mysql_real_escape_string($_POST['message']);
As is, it was looking ...
Best way to allow plugins for a PHP application
...try point for plugins */
function hook() {
global $listeners;
$num_args = func_num_args();
$args = func_get_args();
if($num_args < 2)
trigger_error("Insufficient arguments", E_USER_ERROR);
// Hook name should always be first argument
$hook_name = array_shift($ar...
Nested or Inner Class in PHP
...* simulating protected InnerClasses
*/
protected function __construct() {}
/* This magic method is called everytime an inaccessible method is called
* (either by visibility contrains or it doesn't exist)
* Here we are simulating shared protected methods a...
App Inventor 2 屏幕管理与多屏幕教程 · App Inventor 2 中文网
...结
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已有文档：screen_communication.md 介绍了屏幕间传值。本文聚焦屏幕管理、切换顺序和布局问题。
屏幕基本概念
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App Inve...
In Python, how do I read the exif data for an image?
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You can use the _getexif() protected method of a PIL Image.
import PIL.Image
img = PIL.Image.open('img.jpg')
exif_data = img._getexif()
This should give you a dictionary indexed by EXIF numeric tags. If you want the dictionary indexed by t...
Why is SQL Server 2008 Management Studio Intellisense not working?
... without server, decided to install sp1 sms.
– Johnny_D
Mar 29 '12 at 12:08
1
I tried King's repa...
联网 App 第 5 课：带图商品墙，发布、搜索、详情与下架（综合，附 .aia 源...
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global 选中图片 = ""
global 正在请求 = false
when 按钮_发布.Click() {
var 昵称 = trim(文本输入框_昵称.Text)
var 名称 = trim(文本输入框_名称.Text)
var 价格 = trim(文本输入框_价格.Text)
if 昵称 == "" {
底部提示条1.Show("先填昵称...
Remove secure warnings (_CRT_SECURE_NO_WARNINGS) from projects by default in Visual Studio
...nd that you can do it by adding a line in the project option or a #define _CRT_SECURE_NO_WARNINGS in the beginning of the code.
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When should iteritems() be used instead of items()?
... more like a set (which you'd expect from a dict).
Simple example:
common_keys = list(dict_a.viewkeys() & dict_b.viewkeys())
Will give you a list of the common keys, but again, in Python 3.x - just use .keys() instead.
Python 3.x has generally been made to be more "lazy" - i.e. map is now e...