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How can I install pip on Windows?
...to everyone. Newbies are no longer excluded from using community libraries by the prohibitive difficulty of setup. In shipping with a package manager, Python joins Ruby, Node.js, Haskell, Perl, Go—almost every other contemporary language with a majority open-source community. Thank you, Python.
I...
Why are arrays covariant but generics are invariant?
From Effective Java by Joshua Bloch,
9 Answers
9
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What is the difference between the Eclipse Package Explorer and the Eclipse Project Explorer?
...erarchical view of the
artifacts in the Workbench, which is
customized by the specific
configuration of your Workbench.
With only the java developer tools (JDT) installed the Project Explorer nearly looks and behaves for java projects as the Package Explorer (including refactoring and other ...
How to fix java.net.SocketException: Broken pipe?
...
This is caused by:
most usually, writing to a connection when the other end has already closed it;
less usually, the peer closing the connection without reading all the data that is already pending at his end.
So in both cases you have ...
Discard Git Stash Pop
...it is not
removed from the stash list. You need to resolve the conflicts by hand
and call git stash drop manually afterwards.
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Why does Maven warn me about encoding?
...target/generated-sources/archetype/pom.xml and then runs the package goal (by default) on this POM.
The generated POM file doesn't have project.build.sourceEncoding or any other property defining encoding, and that's why you get the warning.
The POM is generated from this prototype by org.apache.m...
Computed / calculated / virtual / derived columns in PostgreSQL
...columns are not supported - as defined in the SQL standard and implemented by some RDBMS including DB2, MySQL and Oracle. Nor the similar "computed columns" of SQL Server.
STORED generated columns are introduced with Postgres 12. Trivial example:
CREATE TABLE tbl (
int1 int
, int2 int
, pr...
Single Line Nested For Loops
...2nd element into i, then every value from j, etc.)
Can it be simulated by a different for loop structure?
Yes, already shown above.
Can this for loop be nested with a similar or different structure for loop? And how would it look?
Sure, but it's not a great idea. Here, for example, gives...
How remove word wrap from textarea?
...
Textareas shouldn't wrap by default, but you can set wrap="soft" to explicitly disable wrap:
<textarea name="nowrap" cols="30" rows="3" wrap="soft"></textarea>
EDIT: The "wrap" attribute is not officially supported. I got it from the g...
How to set a binding in Code?
...odel, the .SomeString part is evaluated from the Path (the Path can be set by the constructor or by the Path property).
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