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Extract a part of the filepath (a directory) in Python
...Path(r'C:\Program Files\Internet Explorer\iexplore.exe')
print(p.parts)
Then you will get a list:
('C:\\', 'Program Files', 'Internet Explorer', 'iexplore.exe')
Saves tone of time.
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Groovy Shell warning “Could not open/create prefs root node …”
...recaution in his own code and never touched or referenced the system tree, then the JVM would actually still try to instantiate systemRoot, thus causing the warning. It is an interesting subtle bug.
There's a fix committed to the JDK source in June 2016 and it is part of Java9 onwards. There's also...
Why doesn't a python dict.update() return the object?
...e another dictionary after I had to make a. I wanted to create a dict, and then add a bunch of other values, and then give it to a function.
– Paul Tarjan
Sep 21 '09 at 5:35
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What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?
...ypically used when your query returns a single value. If it returns more, then the result is the first column of the first row. An example might be SELECT @@IDENTITY AS 'Identity'.
ExecuteReader is used for any result set with multiple rows/columns (e.g., SELECT col1, col2 from sometable).
ExecuteN...
How do I use Django templates without the rest of Django?
...h Jinja and Genshi are, in my opinion, superior.
If you really want to, then see the Django documentation on settings.py. Especially the section "Using settings without setting DJANGO_SETTINGS_MODULE". Use something like this:
from django.conf import settings
settings.configure (FOO='bar') # You...
Android basics: running code in the UI thread
...lled so many times that it is worth caching uiHandler and textViewUpdater, then improve your class by changing to public void setText(String txt, Handler uiHandler) and adding method line uiHandler.post(this); Then caller can do in one step: textViewUpdater.setText("Hello", uiHandler);. Then in fu...
Creating a UICollectionView programmatically
...ass it, do your configuration of the cell in the initWithFrame method, and then register this subclass with the cell identifier, not UICollectionViewCell.
– Rob
Apr 28 '14 at 1:50
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Proper way to return JSON using node or Express
...uction
Not actually recommended to set to 40
app.set('json spaces', 40);
Then you could just respond with some json.
res.json({ a: 1 });
It'll use the 'json spaces' configuration to prettify it.
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Java 8: How do I work with exception throwing methods in streams?
...eption Exception is only used as example, never try to catch it yourself)
Then you can call it with: as.forEach(this::safeFoo).
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In absence of preprocessor macros, is there a way to define practical scheme specific flags at proje
...on but extract nothing from it; that is, define -DDEBUG=5 (or ="FOO"), and then try to print it with "println(DEBUG is (DEBUG)". That line generates no errors, but does not do anything.
– David H
Jun 11 '14 at 14:02
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