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Detecting Unsaved Changes
....aspx page, you need a Javascript function to tell whether or not the form info is "dirty"
<script language="javascript">
var isDirty = false;
function setDirty() {
isDirty = true;
}
function checkSave() {
var sSave;
if (isDirty == true) {
...
SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'
...or and some googling. The Stack Overflow character-encoding tag has a tag info page with more information and some troubleshooting tips.
In so many words, outside of the 7-bit ASCII range (0x00-0x7F), Python can't and mustn't guess what string a sequence of bytes represents. https://tripleee.githu...
Default value to a parameter while passing by reference in C++
...nd simple. Super practical if sometimes you want to return some additional info, statistics, etc. that you usually dont need.
– uLoop
Feb 12 '17 at 14:06
add a comment
...
Trying to start a service on boot on Android
...
As an additional info: BOOT_COMPLETE is sent to applications before external storage is mounted. So if application is installed to external storage it won't receive BOOT_COMPLETE broadcast message.
More details here in section Broadcast Rece...
Fastest Way of Inserting in Entity Framework
... using (var connection = new SqlConnection(@"data source=;persist security info=True;user id=;password=;initial catalog=;MultipleActiveResultSets=True;App=EntityFramework"))
{
SqlTransaction transaction = null;
connection.Open();
try
{
transaction = co...
MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术
...的宽度并获取新的区域 120是宽度
m_wndToolBar.SetButtonInfo(index, ID_TOOL_COMBO, TBBS_SEPARATOR, 120);
m_wndToolBar.GetItemRect(index, &rect);
//设置位置
rect.top+=1;
rect.bottom += 200;
// 创建并显示控件
if(!m_wndToolBar.m_wndMyCombo.C...
How can I position my div at the bottom of its container?
... if the content is tall and the window is short, it will put the copyright info over the page content, and then scrolling down to see the content will leave you with a floating copyright notice. That makes this solution useless for most pages (like this page, actually).
The most common way of doing...
How do I mock an open used in a with statement (using the Mock framework in Python)?
...to work on both py2 and py3? I don't like the idea of checking sys.version_info during the test
– Arthur Zopellaro
Dec 31 '17 at 1:30
...
Asynchronously wait for Task to complete with timeout
...ing a Task.TimeoutAfter Method" (from MS Parallel Library team) with more info on this sort of thing.
Addition: at the request of a comment on my answer, here is an expanded solution that includes cancellation handling. Note that passing cancellation to the task and the timer means that there are ...
How to get database structure in MySQL via query
...
Take a look at the INFORMATION_SCHEMA.TABLES table. It contains metadata about all your tables.
Example:
SELECT * FROM `INFORMATION_SCHEMA`.`TABLES`
WHERE TABLE_NAME LIKE 'table1'
The advantage of this over other methods is that you can eas...