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Why can I initialize a List like an array in C#?
...want, for example to prevent over-sizing the List<T> during growing, etc:
// Notice, calls the List constructor that takes an int arg
// for initial capacity, then Add()'s three items.
List<int> a = new List<int>(3) { 1, 2, 3, }
Note that the Add() method need not take a single ...
Docker - how can I copy a file from an image to a host?
...tion on copying files from containers to hosts; I have a Dockerfile that fetches dependencies, compiles a build artifact from source, and runs an executable. I also want to copy the build artifact (in my case it's a .zip produced by sbt dist in '../target/`, but I think this question also appli...
Changing a specific column name in pandas DataFrame
... the columns here is the simple one which will work for both Default(0,1,2,etc;) and existing columns but not much useful for a larger data sets(having many columns).
For a larger data set we can slice the columns that we need and apply the below code:
df.columns = ['new_name','new_name1','old_nam...
Dynamically load a JavaScript file
...at least add a comment explaining what those undefined variables are (type etc)
– user280109
Oct 23 '14 at 10:21
...
Why hasn't functional programming taken over yet?
... Mainstream languages keep getting more Smalltalk-like with C++, Java, C#, etc. Fashion and style change slower than anything, so when OO went mainstream, we got it by gluing parts of OO to old languages so it looked enough like C to swallow.
Functional is the same way. Haskell was a great functi...
C++ convert hex string to signed integer
... );
int32 materialY = lexical_cast<int32_from_hex>( "fffefffe" );
// etc...
(Found this page when I was looking for a less sucky way :-)
Cheers,
A.
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Get current time as formatted string in Go?
...04:05PM '06 -0700" Because each component has a different number (1, 2, 3, etc.), it can determine from the numbers what components you want.
– newacct
May 5 '11 at 6:38
1
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Separating class code into a header and cpp file
...Class goes here, full declaration AND implementation
#endif
The #ifndef etc. preprocessor definitions allow it to be used multiple times.
PS. The topic becomes clearer once you realize C/C++ is 'dumb' and #include is merely a way to say "dump this text at this spot".
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Specifying an Index (Non-Unique Key) Using JPA
...n only be used as part of another annotation like @Table, @SecondaryTable, etc.:
@Table(indexes = { @Index(...) })
JDO 2.1+: javax.jdo.annotations.Index
= ORM Frameworks =
♥ Hibernate ORM: org.hibernate.annotations.Index;
OpenJPA: org.apache.openjpa.persistence.jdbc.Index and org.apache.open...
How to change the background color of the options menu?
... // - is the class whose instance we want to modify to set background etc.
// - is the class we want to instantiate with the standard constructor:
// IconMenuItemView(context, attrs)
// - this is what the LayoutInflater does if we return null
...