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What does the line “#!/bin/sh” mean in a UNIX shell script?
... that the magic number, it knows that it is dealing with a text script and reads until the next \n (there is a limit, but it escapes me atm). Having identified the interpreter (the first argument after the shebang) it will call the interpreter.
Other files also have magic numbers. Try looking at a...
Using OR in SQLAlchemy
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@Robru's advice is unnecessarily inefficient. If you already have a collection then you should use the in_ operator like this: filter(User.name.in_(['Alice', 'Bob', 'Carl']))
– intgr
Sep 30 '16 at 9:37
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Configure Sublime Text on OS X to show full directory path in title bar
...creen so I can always see the title bar.
Just for clarification when you read:
//Show the full path to files in the title bar.
// On OS X, this value is overridden in the platform specific settings, so
// you'll need to place this line in your user settings to override it."
It was trying t...
Application_Error not firing when customerrors = “On”
...errors. This makes me assume you are using some form of IIS. If so, have a read through the article I linked to in the first sentence, specifically the last section titled: "Few important notes". It says: To able to overwrite global settings in global IIS settings (file: C:\Windows\System32\inetsrv\...
Python Process Pool non-daemonic?
...d here. The most compelling in my opinion is:
As for allowing children threads to spawn off children of its own using
subprocess runs the risk of creating a little army of zombie
'grandchildren' if either the parent or child threads terminate before
the subprocess completes and returns.
...
JavaScript plus sign in front of function expression
...essions. It's not clear at all what + is doing in this case if you don't already know this arcane quirk of js.
– Chris
Nov 13 '12 at 19:03
1
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Creating a blurring overlay view
...rost: Fast, Synchronous UIView Snapshot Convolving. Great code and a great read. Some ideas from this post:
Use a serial queue to throttle updates from CADisplayLink.
Reuse bitmap contexts unless bounds change.
Draw smaller images using -[CALayer renderInContext:] with a 0.5f scale factor.
Oth...
Choosing between MEF and MAF (System.AddIn)
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@Ian: please reread my comment:) I've written exactly that, and MORE: MAF really allows that, but you have to get up after the crash all by yourself.
– quetzalcoatl
Apr 1 '13 at 21:58
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How to check if running in Cygwin, Mac or Linux?
...re actually running within CygWin (the bash shell of it) so paths should already be correctly set up. As one commenter notes, you can run the bash program, passing the script, from cmd itself and this may result in the paths not being set up as needed.
If you are doing that, it's your responsibilit...
What are the differences between “generic” types in C++ and Java?
... C++ programmer a lot of the concepts like objects will be second nature already but there are subtle differences so it can be worthwhile to have an introductory text even if you skim parts.
A lot of what you'll learn when learning Java is all the libraries (both standard--what comes in the JDK--an...