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What does yield mean in PHP?
...ou get a parse error from that code, update your PHP.
Sources and further reading:
Official docs
The original RFC
kelunik's blog: An introduction to generators
ircmaxell's blog: What generators can do for you
NikiC's blog: Cooperative multitasking using coroutines in PHP
Co-operative PHP Multitas...
How to create an installer for a .net Windows Service using Visual Studio
... in Microsoft and came up with a inferior solution to a problem that had already been solved. See blog.iswix.com/2006/07/msi-vs-net.html for more information.
– Christopher Painter
Jan 27 '12 at 11:51
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What makes Scala's operator overloading “good”, but C++'s “bad”?
...d so an attempt to map this DSL into C++ would require some symbols that already evoke very different concepts.
Of course, this also opens up Scala to another kind of abuse. In Scala you can name a method $!&^% if you want to.
For other languages that, like Scala, are flexible in the use o...
Python class inherits object
...ment) I am not 101% sure about this point (wether all builtin types were already converted to new-style classes when new-style classes were introduced) - I might just be plain wrong, or this might only have concerned some of the standard lib's (but not builtin) types. But yet I think it should be be...
Generating random integer from a range
... of rand(). For a comprehensive test of the quality of this method, please read this.
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Increasing the maximum number of TCP/IP connections in Linux
...ou do both, you should see over 1500 outbound connections per second, more readily.
To change the values:
sysctl net.ipv4.ip_local_port_range="15000 61000"
sysctl net.ipv4.tcp_fin_timeout=30
The above should not be interpreted as the factors impacting system capability for making outbound connec...
The apk must be signed with the same certificates as the previous version
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Nothing. Read the documentation: Publishing Updates on Android Market
Before uploading the updated application, be sure that you have incremented the android:versionCode and android:versionName attributes in the element of the ma...
When can I use a forward declaration?
... Thank you! That edit adds a tonne of valuable info. I'll have to read it several times to fully understand it... or maybe use the often-better tactic of waiting until I get horribly confused in real code and coming back here! I suspect I'll be able to use this to reduce dependencies in var...
Assign one struct to another in C
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I upped it because reading it made me realise the error/omission in my own answer.
– Clifford
Feb 20 '10 at 14:50
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What do the arrow icons in Subclipse mean?
...eeds-lock property is set, and Subversion will attempt to make these files read-only in the file system to enforce proper lock negotation.
- A conflicted file. These are typically files that had a commit/update conflict that you marked to resolve later.
- A file that has a tree conflict. These are...