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How Do I Take a Screen Shot of a UIView?
...sion that does the same:
extension UIView {
func pb_takeSnapshot() -> UIImage {
UIGraphicsBeginImageContextWithOptions(bounds.size, false, UIScreen.mainScreen().scale)
drawViewHierarchyInRect(self.bounds, afterScreenUpdates: true)
// old style: layer.renderInContex...
How to update SQLAlchemy row entry?
...int('Error in def update_state')
Why use db.session.flush()? That's why >>> SQLAlchemy: What's the difference between flush() and commit()?
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Error 908: Permission RECEIVE_SMS has been denied. - App Inventor 2 中...
...llStarted事件，则权限将包含在清单中，并且（如果Android >= 6.0）在运行时请求。
在此更改之前，ReceivingEnabled的默认值是Foreground，而不是Off。因此，旧的教程可能不起作用，因为它们假设了旧的行为。人们需要有意识地启用接...
/etc/apt/sources.list" E212: Can't open file for writing
...session (and now have proper sudo rights), you can issue:
:w !sudo tee % > /dev/null
Which will save the file.
HTH
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Receive JSON POST with PHP
...json_params = file_get_contents("php://input");
if (strlen($json_params) > 0 && isValidJSON($json_params))
$decoded_params = json_decode($json_params);
Edit: Note that removing strlen($json_params) above may result in subtle errors, as json_last_error() does not change when null or a...
How to do SQL Like % in Linq?
...
.Where(oh => oh.Hierarchy.Contains("/12/"))
You can also use .StartsWith() or .EndsWith().
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Eclipse error: indirectly referenced from required .class files?
...
I cleaned the project (from Project->Clean...) and it worked.
– Anu Shibin Joseph Raj
Jul 24 '17 at 4:42
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How to request Google to re-crawl my website? [closed]
...button
Click on the site name for the one you want to manage
Click Crawl -> Fetch as Google
Optional: if you want to do a specific page only, type in the URL
Click Fetch
Click Submit to Index
Select either "URL" or "URL and its direct links"
Click OK and you're done.
With the option above, as l...
Adding elements to object
...element});
JSON.stringify() was mentioned as a concern in the comment:
>> JSON.stringify([{a: 1}, {a: 2}])
"[{"a":1},{"a":2}]"
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Where to find Application Loader app in Mac?
... anywhere, even in spotlight. You can open it through xcode.
Go to Xcode > Open Developer Tools > Application Loader
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