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String comparison in Python: is vs. == [duplicate]
...ed. The statement
if x is y then x==y is also True
should never be read to mean
if x==y then x is y
It is a logical error on the part of the reader to assume that the converse of a logic statement is true. See http://en.wikipedia.org/wiki/Converse_(logic)
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How do I analyze a program's core dump file with GDB when it has command-line parameters?
...tput warning: core file may not match specified executable file. Failed to read a valid object file image from memory.
– Treper
Nov 29 '11 at 5:07
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C state-machine design [closed]
...am building one small-ish state-machine at the heart of one of my worker thread.
27 Answers
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Is there a way to perform “if” in python's lambda
... a comment recommending it, which makes at least seven people--didn't even read the original question.
– Glenn Maynard
Oct 19 '09 at 22:48
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How can I check if a scrollbar is visible?
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This answer worked for me after checking if the DOM is ready using JQuery .ready()
– Simple Sandman
Nov 29 '16 at 20:23
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About Android image and asset sizes
...script and paste the following code:
createAndroidImages.sh
#!/bin/bash
read -p "Please enter the subfolder of the original images? " folder
read -p "How many DP (width) should the image have? " dp
for i in $(find $folder/. -type f -name "*[A-Z]*"); do mv "$i" "$(echo $i | tr A-Z a-z)"; done
mk...
How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...e.
If you're on 9.5 and don't need to be backward-compatible you can stop reading now.
9.4 and older:
PostgreSQL doesn't have any built-in UPSERT (or MERGE) facility, and doing it efficiently in the face of concurrent use is very difficult.
This article discusses the problem in useful detail.
In g...
Remove a git commit which has not been pushed
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Reader, before you git reset your code. Do your future self a favor: The difference between reset, reset --soft, and reset --hard (What happens to your earlier git add aka "your work" :) Picture: link
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How to check whether a variable is a class or not?
...oungk: You're not "assuming the difference comes from...", you're actually reading that in the code. A subclass of object ("new style") has the desired properties, just what you see here.
– S.Lott
Dec 28 '08 at 12:27
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How to compile a 64-bit application using Visual C++ 2010 Express?
... "All Configurations." There will also be a "Platform" drop-down that will read "Win32." Finally on the right there is a "Configuration Manager" button - press it. In the dialog that comes up, find your project, hit the Platform drop-down, select New, then select x64. Now change the "Active solution...