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More elegant way of declaring multiple variables at the same time
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If you have a list of values, you can still unpack them. You just have to convert it to a tuple first. For example, the following will assign a value between 0 and 9 to each of a through j, respectively:
a, b, c, d, e, f, g, h, i, j = tuple(range(10))
EDIT: Neat trick to assign all of them as tr...
Select by partial string from a pandas DataFrame
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Is it possible to convert .str.contains to use .query() api?
– zyxue
Mar 1 '17 at 17:25
3
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.NET NewtonSoft JSON deserialize map to a different property name
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i have an interface, two classes are used this interface,but server data have two property name for two classes, i want use two JsonProperty for one property in my interfaces.
– Ali Yousefi
Apr 7 ...
Linq to Entities join vs groupjoin
...eused in the above statement. Doing this, any join statement can simply be converted to an outer join by adding the equivalent of into g from c in g.DefaultIfEmpty() to an existing join statement.
This is where query (or comprehensive) syntax shines. Method (or fluent) syntax shows what really happe...
How do I create a right click context menu in Java Swing?
...at can cause some nasty buggy behavior in the menu.
The show(Component, int x, int x) method handles all of the things you need to happen, (Highlighting things on mouseover and closing the popup when necessary) where using setVisible(true) just shows the menu without adding any additional behavio...
Validating an XML against referenced XSD in C#
...I had do this kind of automatic validation in VB and this is how I did it (converted to C#):
XmlReaderSettings settings = new XmlReaderSettings();
settings.ValidationType = ValidationType.Schema;
settings.ValidationFlags = settings.ValidationFlags |
Schema.XmlSchemaValida...
Android custom dropdown/popup menu
...e"
android:layout_marginLeft="62dp"
android:layout_marginTop="50dp"
android:text="Show Popup" />
</RelativeLayout>
Create a file popup_menu.xml under res/menu directory
It contains three items as shown below.
Filename: poupup_menu.xml
<menu xmlns:a...
Proper way to implement IXmlSerializable?
...eserved and should not be
used. When implementing the
IXmlSerializable interface, you should
return a null reference (Nothing in
Visual Basic) from this method, and instead,
if specifying a custom schema is
required, apply the
XmlSchemaProviderAttribute to the
class.
For both read ...
What blocks Ruby, Python to get Javascript V8 speed? [closed]
...ringing Jython, IronPython, and PyPy up to speed, waiting for libraries to convert to Python 3, and evangelizing Python 3.
– Rafe Kettler
Mar 2 '11 at 23:28
2
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Why does this method print 4?
...enter main the first time
R be the stack space increase each time we enter into main
P be the stack space necessary to run System.out.println
When we first get into main, the space left over is X-M. Each recursive call takes up R more memory. So for 1 recursive call (1 more than original), the mem...