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onConfigurationChanged not getting called
...en the device switches between portrait and landscape
orientation. Thus, if you want to prevent runtime restarts due to
orientation change when developing for API level 13 or higher (as
declared by the minSdkVersion and targetSdkVersion attributes), you
must include the "screenSize" value in...
Flatten list of lists [duplicate]
...of_lists:
for val in sublist:
flattened.append(val)
The big difference is that the list comp evaluates MUCH faster than the unraveled loop and eliminates the append calls!
If you have multiple items in a sublist the list comp will even flatten that. ie
>>> list_of_lists = [...
XPath: How to select nodes which have no attributes?
...elements with zero attributes OR which have attributes that are all empty. If it was just a particular attribute you are interested in, rather than all of them, then you could use
//node[not(@attribute1) or not(string-length(@attribute1))]
...and this would select all node elements that either do...
How to create duplicate allowed attributes
...ple = true)]
public class MyAttribute : Attribute
{}
Note, however, that if you are using ComponentModel (TypeDescriptor), it only supports one attribute instance (per attribute type) per member; raw reflection supports any number...
...
Global Git ignore
...indows it set to the location C:\Users\{myusername}\.gitignore. You can verify that the config value is correct by doing:
git config --global core.excludesFile
The result should be the expanded path to your user profile's .gitignore. Ensure that the value does not contain the unexpanded %USERPROFIL...
Proper way to return JSON using node or Express
...
That response is a string too, if you want to send the response prettified, for some awkward reason, you could use something like JSON.stringify(anObject, null, 3)
It's important that you set the Content-Type header to application/json, too.
var http = req...
How can I get the actual stored procedure line number from an error message?
...orrelation to the line numbers in the stored procedure. I assume that the difference is due to white space and comments, but is it really?
...
Does setWidth(int pixels) use dip or px?
...case anything ever changes... though I guess it's safe to use that method if you give it the okay. :)
– Dan Lew
Mar 9 '10 at 5:15
12
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Why is a ConcurrentModificationException thrown and how to debug it
...A, it so happens), but apparently randomly the code throws a ConcurrentModificationException . What is causing it and how do I fix this problem? By using some synchronization, perhaps?
...
How do you stop MySQL on a Mac OS install?
...
There are different cases depending on whether you installed MySQL with the official binary installer, using MacPorts, or using Homebrew:
Homebrew
brew services start mysql
brew services stop mysql
brew services restart mysql
MacPor...