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C# string reference type?
I know that "string" in C# is a reference type. This is on MSDN. However, this code doesn't work as it should then:
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How to get current language code with Swift?
I want get the language code of the device (en, es...) in my app written with Swift. How can get this?
12 Answers
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Can't execute jar- file: “no main manifest attribute”
I have installed an application, when I try to run it (it's an executable jar) nothing happens. When I run it from the commandline with:
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In MySQL, can I copy one row to insert into the same table?
I just want to copy one row to insert into the same table (i.e., I want to duplicate an existing row in the table) but I want to do this without having to list all the columns after the "select", because this table has too many columns.
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using gitignore to ignore (but not delete) files
I have a tmp directory in my git repo I'd like to still exist, but be ignored. I added it to .gitignore , but git status still tells me about changes to files in that directory. I tried git rm -r --cached , but that removes it from the remote repo. How can I stop tracking changes to this dire...
Unit testing that events are raised in C# (in order)
...ged events and I would like to be able to unit test that the events are being raised correctly.
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What is a serialVersionUID and why should I use it?
Eclipse issues warnings when a serialVersionUID is missing.
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Date query with ISODate in mongodb doesn't seem to work
I don't seem to be able to get even the most basic date query to work in MongoDB. With a document that looks something like this:
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Why would anyone use set instead of unordered_set?
C++0x is introducing unordered_set which is available in boost and many other places. What I understand is that unordered_set is hash table with O(1) lookup complexity. On the other hand, set is nothing but a tree with log(n) lookup complexity. Why on earth would anyone use set instead ...
How do I view the SQLite database on an Android device? [duplicate]
I have a set of data in an SQLite database. I need to view the database on a device. How do I do that?
19 Answers
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