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“Instantiating” a List in Java? [duplicate]
...yList is a kind of List, you can easily upcast it:
List<T> mylist = new ArrayList<T>();
This is in contrast with .NET, where, since version 2.0, List<T> is the default implementation of the IList<T> interface.
...
How do I view cookies in Internet Explorer 11 using Developer Tools
... the heavy lifting of your browser compatibility testing by leveraging the new tooling in Edge, and defer checking in IE 11 (etc) for the last leg.
Debugger Panel > Cookies Manager
Network Panel > Request Details > Cookies
The benefit, of course, to the debugger tab is you don't hav...
Copy values from one column to another in the same table
...ific set of rows:
UPDATE `products` SET `in_stock` = true WHERE `supplier_id` = 10
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How to convert a JSON string to a Map with Jackson JSON
...public void testJackson() throws IOException {
ObjectMapper mapper = new ObjectMapper();
File from = new File("albumnList.txt");
TypeReference<HashMap<String,Object>> typeRef
= new TypeReference<HashMap<String,Object>>() {};
HashMap<String...
What is the difference between the HashMap and Map objects in Java?
... return this.moreThings;
}
public Foo() {
this.things = new HashMap<String, Object>();
this.moreThings = new HashMap<String, Object>();
}
// ...more...
}
The class has a couple of internal maps of string->object which it shares (via accessor metho...
How to change time in DateTime?
...ime value - it's immutable. However, you can change the variable to have a new value. The easiest way of doing that to change just the time is to create a TimeSpan with the relevant time, and use the DateTime.Date property:
DateTime s = ...;
TimeSpan ts = new TimeSpan(10, 30, 0);
s = s.Date + ts;
...
windows batch SET inside IF not working
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f9102422%2fwindows-batch-set-inside-if-not-working%23new-answer', 'question_page');
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How do I sort an array of hashes by a value in the hash?
...
Actually, Array#sort_by! is new in Ruby 1.9.2. Available today to all Ruby version by requiring my backports gem too :-)
– Marc-André Lafortune
Jul 1 '10 at 4:19
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Line continuation for list comprehensions or generator expressions in python
...ons in cases where you're dealing with a list of several data structures.
new_list = [
{
'attribute 1': a_very_long_item.attribute1,
'attribute 2': a_very_long_item.attribute2,
'list_attribute': [
{
'dict_key_1': attribute_item.attribute2,
...
How do I resolve configuration errors with Nant 0.91?
...the file to your desired location, ensure it is on the system path, open a new command line and NAnt should run successfully.
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