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How to find index of list item in Swift?
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Coming from the OOP world, how am I supposed to find this kind of free floating functions?
– Rudolf Adamkovič
Sep 11 '14 at 21:00
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How can I style an Android Switch?
...at defines the different states for the switcher drawable.
Here the copies from the Android sources:
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_enabled="false" android:drawable="@drawable/switch_thumb_disabled_holo_light" />
<it...
How to limit google autocomplete results to City and Country only
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check this code right from google. they made a filtering example code.google.com/apis/maps/documentation/javascript/…
– UnLoCo
Nov 26 '11 at 22:37
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How does PHP 'foreach' actually work?
...$outerArr);
Here, $arr will be duplicated to prevent IAP changes on $arr from leaking to $outerArr. In terms of the conditions above, the array is not a reference (is_ref=0) and is used in two places (refcount=2). This requirement is unfortunate and an artifact of the suboptimal implementation (th...
How can I run an external command asynchronously from Python?
I need to run a shell command asynchronously from a Python script. By this I mean that I want my Python script to continue running while the external command goes off and does whatever it needs to do.
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How to get a complete list of object's methods and attributes?
...(), look for __class__, and then to go for its __bases__:
# code borrowed from the rlcompleter module
# tested under Python 2.6 ( sys.version = '2.6.5 (r265:79063, Apr 16 2010, 13:09:56) \n[GCC 4.4.3]' )
# or: from rlcompleter import get_class_members
def get_class_members(klass):
ret = dir(kl...
Test whether string is a valid integer
...e The linked document describes the construct for removing a string prefix from a variable used in the case line. It is just at the bottom of the page, but there are no anchors, so I could not directly link to it, see section "Substring Removal"
– Niklas Peter
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Try-catch speeding up my code?
...-elimination optimizer. The aforementioned engineer is completely re-doing from scratch all of this code for Roslyn, and we should as a result have much improved optimized behaviour in the Roslyn code generator.
– Eric Lippert
Jan 25 '12 at 20:42
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Quick-and-dirty way to ensure only one instance of a shell script is running at a time
...the lock to act on, there is no meaningful data going into it. The exit is from the part inside the ( ). When the subprocess ends, the lock is automatically released, because there is no process holding it.
– clacke
Jun 18 '15 at 10:46
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Get yesterday's date in bash on Linux, DST-safe
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you can use
date -d "30 days ago" +"%d/%m/%Y"
to get the date from 30 days ago, similarly you can replace 30 with x amount of days
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