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SQLAlchemy: cascade delete
I must be missing something trivial with SQLAlchemy's cascade options because I cannot get a simple cascade delete to operate correctly -- if a parent element is a deleted, the children persist, with null foreign keys.
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UIButton inside a view that has a UITapGestureRecognizer
I have view with a UITapGestureRecognizer . So when I tap on the view another view appears above this view. This new view has three buttons. When I now press on one of these buttons I don't get the buttons action, I only get the tap gesture action. So I'm not able to use these buttons anymore. What...
Worth switching to zsh for casual use? [closed]
... in Mac OS X is bash , which I'm generally happy to be using. I just take it for granted. It would be really nice if it auto-completed more stuff , though, and I've heard good things about zsh in this regard. But I don't really have the inclination to spend hours fiddling with settings to improv...
Android error: Failed to install *.apk on device *: timeout
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Try changing the ADB connection timeout. I think it defaults that to 5000ms and I changed mine to 10000ms to get rid of that problem.
If you are in Eclipse, you can do this by going through
Window -> Preferences -> Android -> DDMS -> ADB Connection Timeout (ms...
“unrecognized selector sent to instance” error in Objective-C
I created a button and added an action for it, but as soon as it invoked, I got this error:
38 Answers
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How to write WinForms code that auto-scales to system font and dpi settings?
...t there that say "WinForms doesn't auto-scale to DPI/font settings well; switch to WPF." However, I think that is based on .NET 1.1; it appears they actually did a pretty good job of implementing auto-scaling in .NET 2.0. At least based on our research and testing so far. However, if some of you out...
How to prevent robots from automatically filling up a form?
I'm trying to come up with a good enough anti-spamming mechanism to prevent automatically generated input. I've read that techniques like captcha, 1+1=? stuff work well, but they also present an extra step impeding the free quick use of the application (I'm not looking for anything like that please)...
How to hide soft keyboard on android after clicking outside EditText?
...ippet simply hides the keyboard:
public static void hideSoftKeyboard(Activity activity) {
InputMethodManager inputMethodManager =
(InputMethodManager) activity.getSystemService(
Activity.INPUT_METHOD_SERVICE);
inputMethodManager.hideSoftInputFromWindow(
activity...
Encoding URL query parameters in Java
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java.net.URLEncoder.encode(String s, String encoding) can help too. It follows the HTML form encoding application/x-www-form-urlencoded.
URLEncoder.encode(query, "UTF-8");
On the other hand, Percent-encoding (also known as URL encoding) encodes space with %20. Colon is a reserved charact...
Getters \ setters for dummies
I've been trying to get my head around getters and setters and its not sinking in. I've read JavaScript Getters and Setters and Defining Getters and Setters and just not getting it.
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