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How can I join multiple SQL tables using the IDs?
...heses, as they really are not necessary in most of the cases you had them, and only add confusion when trying to read the code. Proper nesting is the best way to make your code readable and separated out.
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Can we set a Git default to fetch all tags during a remote pull?
...fetch lines, I presumed the last one would just override. That's very nice and explicit.
– jleahy
May 21 '13 at 19:54
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iPhone get SSID without private library
...ifi info from capabilities.
Important
To use this function in iOS 12 and later, enable the Access WiFi Information capability for your app in Xcode. When you enable this capability, Xcode automatically adds the Access WiFi Information entitlement to your entitlements file and App ID. Documenta...
View's getWidth() and getHeight() returns 0
I am creating all of the elements in my android project dynamically. I am trying to get the width and height of a button so that I can rotate that button around. I am just trying to learn how to work with the android language. However, it returns 0.
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Create list of single item repeated N times
...ng'] * len(columns)
Mutable items
I've used Python for a long time now, and I have never seen a use-case where I would do the above with a mutable instance. Instead, to get, say, a mutable empty list, set, or dict, you should do something like this:
list_of_lists = [[] for _ in columns]
The un...
How to properly assert that an exception gets raised in pytest?
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There are two ways to handle these kind of cases in pytest:
Using pytest.raises function
Using pytest.mark.xfail decorator
As the documentation says:
Using pytest.raises is likely to be better for cases where you are testing exceptions your ow...
Numeric for loop in Django templates
... a simple technique that works nicely for small cases with no special tags and no additional context. Sometimes this comes in handy
{% for i in '0123456789'|make_list %}
{{ forloop.counter }}
{% endfor %}
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Ruby combining an array into one string
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To add to what @sepp2k said: join tries #to_str first and #to_s second.
– Greg Navis
Dec 17 '16 at 11:08
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How to get names of classes inside a jar file?
I have a JAR file and I need to get the name of all classes inside this JAR file. How can I do that?
12 Answers
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How to convert vector to array
...ts for the new array: double arr[v.size()];
– rbaleksandar
Dec 25 '13 at 21:09
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@rbaleksandar: A...