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When do I need to use a semicolon vs a slash in Oracle SQL?
...nd executing a DML statement) can be picked out more easily by eye.
Also, if you eventually move to something like Ant for deployment it will simplify the definition of targets to have a consistent statement delimiter.
shar...
Exclude a sub-directory using find
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Explanation:
find /home/feeds/data: start finding recursively from specified path
-type f: find files only
-not -path "*def/incoming*": don't include anything with def/incoming as part of its path
-not -path "*456/incoming*": don't include anything with 456/incoming as part of its path
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Unable to add window — token android.os.BinderProxy is not valid; is your activity running?
...re showing the dialog for a context that no longer exists. A common case - if the 'show dialog' operation is after an asynchronous operation, and during that operation the original activity (that is to be the parent of your dialog) is destroyed. For a good description, see this blog post and comment...
Rails update_attributes without save?
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@Robin I'll update the example to be a bit more specific. The example in the docs is also a bit misleading, as it doesn't mention that user.assign_attributes({ :name => 'Josh', :is_admin => true }) raises an error message and doesn't actually set the user's name property...
How to push both value and key into PHP array
...ndexname2' => $value2); would set them as the only items in $arrayname. If you already have $arrayname set and want to keep its values, try $arrayname += $anotherarray. Keep in mind any existing keys in the first array would be overwritten by the second.
– Charlie Schliesser...
How to get all of the immediate subdirectories in Python
...scandir:
list_subfolders_with_paths = [f.path for f in os.scandir(path) if f.is_dir()]
Bonus: With scandir you can also simply only get folder names by using f.name instead of f.path.
This (as well as all other functions below) will not use natural sorting. This means results will be sorted lik...
How to delete all the rows in a table using Eloquent?
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Nice. This works on Laravel 5 too if anyone else Googles themselves here in 2016.
– samiles
Mar 18 '16 at 9:47
14
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Serializing a list to JSON
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If using .Net Core 3.0 or later;
Default to using the built in System.Text.Json parser implementation.
e.g.
using System.Text.Json;
var json = JsonSerializer.Serialize(aList);
alternatively, other, less mainstream optio...
Bold words in a string of strings.xml in Android
...else who found the official Android documentation a bit too vague on this: if you use tags like <b> in your string resource, make sure you retrieve it using getText(R.string.whatever) rather than getString(R.string.whatever)
– andygeers
Jun 9 '15 at 12:15...
C++ auto keyword. Why is it magic?
...l I used to learn C++, auto has always been a weird storage duration specifier that didn't serve any purpose. But just recently, I encountered code that used it as a type name in and of itself. Out of curiosity I tried it, and it assumes the type of whatever I happen to assign to it!
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