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Android - Launcher Icon Size
...ractices/screens_support.html. Search on the page for, "180x180 (3.0x) for extra-extra-high-density". However, I've seen 144 a few places.
– 1.21 gigawatts
Jan 25 '15 at 5:13
...
Difference between is and as keyword
... if an object can be cast to a specific type.
Example:
if (someObject is StringBuilder) ...
as
The as operator attempts to cast an object to a specific type, and returns null if it fails.
Example:
StringBuilder b = someObject as StringBuilder;
if (b != null) ...
Also related:
Casting
...
Catch a thread's exception in the caller thread in Python
...rns to the main thread immediately when an exception is called
requires no extra user defined classes because it does not need:
an explicit Queue
to add an except else around your work thread
Source:
#!/usr/bin/env python3
import concurrent.futures
import time
def func_that_raises(do_raise)...
How do I create a parameterized SQL query? Why Should I?
...o parameters with Sql Server:
Public Function GetBarFooByBaz(ByVal Baz As String) As String
Dim sql As String = "SELECT foo FROM bar WHERE baz= @Baz"
Using cn As New SqlConnection("Your connection string here"), _
cmd As New SqlCommand(sql, cn)
cmd.Parameters.Add("@Baz", S...
How to create a checkbox with a clickable label?
...:
No need to assign an id to every checkbox (great!).
No need to use the extra attribute in the <label>.
The input's clickable area is also the label's clickable area, so there aren't two separate places to click that can control the checkbox - only one, no matter how far apart the <inpu...
How does one generate a random number in Apple's Swift language?
...
SoliQuiD: except omit the extra underscore after arc4, i.e. arc4random_uniform(5).
– Ali Beadle
Jun 17 '17 at 10:43
3
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How to solve “Could not establish trust relationship for the SSL/TLS secure channel with authority”
...
A little extra explanation can be found here : blog.effectivemessaging.com/2015_09_01_archive.html
– granadaCoder
Oct 21 '16 at 13:18
...
How to pass arguments to a Button command in Tkinter?
...ss', command=fce)
See: http://infohost.nmt.edu/tcc/help/pubs/tkinter/web/extra-args.html
For more buttons you can create a function which returns a function:
def fce(myX, myY):
def wrapper(x=myX, y=myY):
pass
pass
pass
return x+y
return wrapper
button1 = ...
Recursion or Iteration?
...n algorithms where both can serve the same purpose? Eg: Check if the given string is a palindrome.
I have seen many programmers using recursion as a means to show off when a simple iteration algorithm can fit the bill.
Does the compiler play a vital role in deciding what to use?
...
How do I replace all line breaks in a string with elements?
...ional note: str.replace("\n", '<br />') (first argument is a regular string) will replace only first occurrence.
– Serge S.
Apr 15 '13 at 20:49
19
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