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What are all the uses of an underscore in Scala?
...ame: => Int): () => Int = callByName _
Default initializer
var x: String = _ // unloved syntax may be eliminated
There may be others I have forgotten!
Example showing why foo(_) and foo _ are different:
This example comes from 0__:
trait PlaceholderExample {
def process[A](f: A =...
Check list of words in another string [duplicate]
...nal: and if you want to check that all words from that list are inside the string, just replace any() above with all()
– Nas Banov
Jul 17 '10 at 23:23
17
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Sending data back to the Main Activity in Android
...data URI to this intent as appropriate.
resultIntent.putExtra("some_key", "String data");
setResult(Activity.RESULT_OK, resultIntent);
finish();
To access the returned data in the calling Activity override onActivityResult. The requestCode corresponds to the integer passed in in the startActivity...
Resize HTML5 canvas to fit window
...y: block (it seemed to be defaulting to display: inline which was creating extra space!).
– Elisabeth
Apr 5 '12 at 22:00
15
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How to call a Parent Class's method from Child Class in Python?
...y haven't been overwritten.
e.g. in python 3:
class A():
def bar(self, string):
print("Hi, I'm bar, inherited from A"+string)
class B(A):
def baz(self):
self.bar(" - called by baz in B")
B().baz() # prints out "Hi, I'm bar, inherited from A - called by baz in B"
yes, this may be fa...
Binding an enum to a WinForms combo box, and then setting it
...item
Status status;
Enum.TryParse<Status>(cbStatus.SelectedValue.ToString(), out status);
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How to hash some string with sha256 in Java?
How can I hash some string with sha256 in Java? Does anybody know of any free library for this?
15 Answers
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Can “using” with more than one resource cause a resource leak?
... for your code:
.method private hidebysig static
void Main (
string[] args
) cil managed
{
// Method begins at RVA 0x2050
// Code size 74 (0x4a)
.maxstack 2
.entrypoint
.locals init (
[0] class [System.Drawing]System.Drawing.Font font3,
[1] clas...
JavaScript window resize event
... removing event listeners, but in the case that you don't, adding all that extra code like in the example above is unnecessary and can both to bloat and less readability. In my opinion, if you don't envision a reason to need to remove the listener, this approach is the best solution. You can always ...
#1071 - Specified key was too long; max key length is 1000 bytes
...e best practice is to use prefix indexes so you're only indexing a left substring of the data. Most of your data will be a lot shorter than 255 characters anyway.
You can declare a prefix length per column as you define the index. For example:
...
KEY `index` (`parent_menu_id`,`menu_link`(50),`p...