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Eclipse: Exclude specific packages when autocompleting a class name
...Explorer and Hierarchy views.
finnw (the OP) adds in the comments:
Now how do you add a single class to this list? I'm not interested in java.awt.List but occasionally I want java.awt.Window or java.awt.Dimension. –
"Type filter" is actually based on class pattern matching, meaning if yo...
Uses for Optional
Having been using Java 8 now for 6+ months or so, I'm pretty happy with the new API changes. One area I'm still not confident in is when to use Optional . I seem to swing between wanting to use it everywhere something may be null , and nowhere at all.
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How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...ou're on 9.5 and don't need to be backward-compatible you can stop reading now.
9.4 and older:
PostgreSQL doesn't have any built-in UPSERT (or MERGE) facility, and doing it efficiently in the face of concurrent use is very difficult.
This article discusses the problem in useful detail.
In general y...
Checkout subdirectories in Git?
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Sparse checkouts are now in Git 1.7.
Also see the question “Is it possible to do a sparse checkout without checking out the whole repository first?”.
Note that sparse checkouts still require you to download the whole repository, even though...
What is a “bundle” in an Android application
...in anystring with bundle key "myname"
b.putString("myname", anystring);
Now, create an Intent object
Intent in = new Intent(getApplicationContext(), secondActivity.class);
Pass bundle object b to the intent
in.putExtras(b);
and start second activity
startActivity(in);
In the second act...
Where is HttpContent.ReadAsAsync?
....Formatting NuGet package page, the System.Net.Http.Formatting package is now legacy and can instead be found in the Microsoft.AspNet.WebApi.Client package available on NuGet here.
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Django South - table already exists
...re is more than one field missing you have to repeat it for each field.
3.Now you land with a bunch of new migrations so remove their files from myapp/migrations (0011 and further if you needed to add multiple fields).
4.Run this:
./manage.py migrate myapp 0010
Now try ./manage.py migrate myapp...
How to export iTerm2 Profiles
I needed to reformat my computer and now I'm having trouble copying the settings/profiles over.
6 Answers
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Explaining Python's '__enter__' and '__exit__'
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If you know what context managers are then you need nothing more to understand __enter__ and __exit__ magic methods. Lets see a very simple example.
In this example I am opening myfile.txt with help of open function. The try/finally...
Getting Chrome to accept self-signed localhost certificate
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I don't know why this answer has been voted but there is a difference between Invalid certificate and self-signed certificate. The question is about self signed cert.
– Mehdi
Aug 24 '18 at 13:37
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