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Replace values in list using Python [duplicate]
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Riffing on a side question asked by the OP in a comment, i.e.:
what if I had a generator that yields
the values from range(11) instead of a
list. Would it be possible to replace
values in the generator?
Sure, it's trivially easy...:
def replacei...
How to set the font style to bold, italic and underlined in an Android TextView?
...you need to, and I quote from that page
Must be one or more (separated by '|') of the following constant values.
so you'd use bold|italic
You could check this question for underline: Can I underline text in an android layout?
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What is the Swift equivalent of -[NSObject description]?
...eflection capabilities to make your classes generate their own description by using this extension:
extension CustomStringConvertible {
var description : String {
var description: String = "\(type(of: self)){ "
let selfMirror = Mirror(reflecting: self)
for child in selfM...
Using “this” with class name
...nce to an inner class... so, for example:
Button button = (Button)findViewById(R.id.ticket_details_sell_ticket);
button.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// it will be wrong to use only "this", because it would
// reference th...
How to check if a specific key is present in a hash or not?
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In latest Ruby versions Hash instance has a key? method:
{a: 1}.key?(:a)
=> true
Be sure to use the symbol key or a string key depending on what you have in your hash:
{'a' => 2}.key?(:a)
=> false
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Swift class introspection & generics
...C#'s default keyword, and proper extensions for types like String and Int. By adding the generic constraint of T:Defaultable, I could check if the argument passed is T.default().
– Erik
Jun 17 '14 at 15:06
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how to reference a YAML “setting” from elsewhere in the same YAML file?
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- name: Duncan Idaho
occupation: Swordmaster
summary: ${book.title} by ${book.author}
product-name: ${${type}.title}
Example logic:
// Parse a yaml string directly, expanding internal property references.
$yaml_string = file_get_contents("dune.yml");
$expanded = \Grasmash\YamlExpander\Exp...
Meaning of = delete after function declaration
...e to see a deleted operator long () for example.
– Toby Speight
Aug 17 '17 at 14:34
3
@Reb.Cabin ...
HTTP POST using JSON in Java
...the string, you might program the string wrongly and causing syntax error. By using JSONObject you make sure that your serialization is always follow the right JSON structure
– momo
Aug 24 '11 at 20:47
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How to show a dialog to confirm that the user wishes to exit an Android Activity?
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A comment was made by elBradford: Calling the super onBackPressed is better than assuming onBackPressed will only call finish(). Even if that's true now, it may not be true in future APIs CustomTabActivity.super.onBackPressed
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