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Filtering a list of strings based on contents
Given the list ['a','ab','abc','bac'] , I want to compute a list with strings that have 'ab' in them. I.e. the result is ['ab','abc'] . How can this be done in Python?
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Double decimal formatting in Java
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Use String.format:
String.format("%.2f", 4.52135);
As per docs:
The locale always used is the one returned by Locale.getDefault().
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Please explain some of Paul Graham's points on Lisp
...leteness,
;; we won't concern ourselves with it
(require '[clojure.contrib.string :as str])
;; this is the interesting bit:
(println (str/replace-re #"\d+" "FOO" "a123b4c56"))
This snippet of Clojure code prints out aFOObFOOcFOO. Note that Clojure arguably does not fully satisfy the fourth point o...
How to get element by innerText
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function findByTextContent(needle, haystack, precise) {
// needle: String, the string to be found within the elements.
// haystack: String, a selector to be passed to document.querySelectorAll(),
// NodeList, Array - to be iterated over within the function:
// precise: Boo...
How to retrieve GET parameters from javascript? [duplicate]
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It should also work for complex query strings...
– compile-fan
Mar 27 '11 at 10:20
1
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Function overloading by return type?
...e modern languages. The usual objection is that in code like
int func();
string func();
int main() { func(); }
you can't tell which func() is being called. This can be resolved in a few ways:
Have a predictable method to determine which function is called in such a situation.
Whenever such a ...
How to create a custom string representation for a class object?
...object):
__metaclass__ = MC
print C
Use __str__ if you mean a readable stringification, use __repr__ for unambiguous representations.
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'Missing contentDescription attribute on image' in XML
...e android:contentDescription
for my ImageView
android:contentDescription="@string/desc"
Android Lint support in ADT 16 throws this warning to ensure that
image widgets provide a contentDescription
This defines text that briefly describes the content of the view. This
property is used primarily for a...
How to make a edittext box in a dialog
... Editable YouEditTextValue = edittext.getText();
//OR
String YouEditTextValue = edittext.getText().toString();
}
});
alert.setNegativeButton("No Option", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
// wh...
Does JSON syntax allow duplicate keys in an object?
...y bracket tokens surrounding zero or more name/value pairs.
A name is a string. A single colon token follows each name, separating the name from the value. A single
comma token separates a value from a following name.
It does not make any mention of duplicate keys being invalid or val...