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Event listener for when element becomes visible?
... argument:
respondToVisibility(element, callback) {
var options = {
root: document.documentElement
}
var observer = new IntersectionObserver((entries, observer) => {
entries.forEach(entry => {
callback(entry.intersectionRatio > 0);
});
}, options);
observer.ob...
Dialog to pick image from gallery or from camera
...hoto and for picking a photo. Just show a dialog with two options and upon selection, use the appropriate code.
To take picture from camera:
Intent takePicture = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(takePicture, 0);//zero can be replaced with any action code (called ...
How can you do paging with NHibernate?
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This performs a SELECT TOP query in SQL Server. Try it with SetFirstResult(1).SetMaxResult(2);
– Chris S
Feb 8 '09 at 17:02
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Use PHP to create, edit and delete crontab jobs?
...ke note that apache is running as a particular user and that's usually not root, which means the cron jobs can only be changed for the apache user unless given crontab -u privilege to the apache user.
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Get the value of a dropdown in jQuery
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$('#Crd').val() will give you the selected value of the drop down element. Use this to get the selected options text.
$('#Crd option:selected').text();
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How do I escape a single quote in SQL Server?
...lue] VARCHAR(200)
)
INSERT INTO @my_table VALUES ('hi, my name''s tim.')
SELECT * FROM @my_table
Results
value
==================
hi, my name's tim.
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Keyboard shortcut to paste clipboard content into command prompt window (Win XP) [closed]
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Just to explain selecting also: ALT+SPACE+E+K <-- for copy . and navigate up , down , left , right with arrows Shift + right arrow <-- for selecting the text ALT+SPACE+E+P <-- for paste.
– Yordan Georgiev
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解决：CTreeCtrl控件SetCheck无效的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ialog();
。。。
// TODO: Add extra initialization here
HTREEITEM hRoot = m_Tree.InsertItem("Root");
m_Tree.SetCheck(hRoot);
m_Tree.InsertItem("Child1", hRoot);
m_Tree.InsertItem("Child2", hRoot);
m_Tree.Expand(hRoot, TVE_EXPAND );
return TRUE;
}
但是，对话框运行以后...
Trim trailing spaces in Xcode
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You can create a script and bind it to a keyboard shortcut:
Select Scripts Menu > Edit User Scripts...
Press the + button and select New Shell Script
Give it a name like "Strip Trailing Spaces", and give it a shortcut like ⌃⇧R.
Set Input to "Selection" and Output to "Replace Se...
CSS last-child selector: select last-element of specific class, not last child inside of parent?
I want to select #com19 ?
6 Answers
6
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