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Regular expressions in C: examples?
...g PCRE2. This means you can literally use all the regex examples out there now and not have to translate from some ancient regex.
I made an answer for this already, but I think it can help here too..
Regex In C To Search For Credit Card Numbers
// YOU MUST SPECIFY THE UNIT WIDTH BEFORE THE INCLU...
Convert string in base64 to image and save on filesystem in Python
...
If the imagestr was bitmap data (which we now know it isn't) you could use this
imagestr is the base64 encoded string
width is the width of the image
height is the height of the image
from PIL import Image
from base64 import decodestring
image = Image.fromstring...
“The run destination iOS Device is not valid for running the scheme”
...e and it started working.
I've noticed this sort of thing many many times now with Xcode with other problems, its very frustrating that the tool is so dodgy.
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What is NoSQL, how does it work, and what benefits does it provide? [closed]
...amples: Redis, Cassandra, MemcacheDB
Strengths: Fast lookup of values by known keys
They are very simplistic, but that makes them fast and easy to use. When you have no need for stored procedures, constraints, triggers and all those advanced database features and you just want fast storage and ret...
valueOf() vs. toString() in Javascript
...d no hint, meaning conversion to string will occur, one of the operands is now a string, String(1) + String({}), `1[object Object]`
[] + [] // '' Two objects, `ToPrimitive` passed no hint, String([]) + String([]), '' (empty string)
1 - 'a' // NaN Both are primitives, one is a string, `T...
How do I put a bunch of uncommitted changes aside while working on something else
... Thanks for the great answer and helpful examples. Do you happen to know if using hg bookmarks is also an option?
– Erik
Jul 17 '12 at 11:23
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Hg: How to do a rebase like git's rebase
...lible trace, and rebasing and other history editing techniques hide that.
Now go pick VonC's answer while I put my soapbox away. :)
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How to port data-only volumes from one host to another?
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For now it is better to use docker create for data-only containers so they will not be started. See example in the off. documentation: docs.docker.com/userguide/dockervolumes/…
– FelikZ
Fe...
What is the difference between dynamic and static polymorphism in Java?
...ymorphism.
Because, in case of overloading, at compile time the compiler knows which method to link to the call. However, it is determined at runtime for dynamic polymorphism
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What browsers support HTML5 WebSocket API?
...Caucho Resin 4.0.2 (not yet tried) V 4.0.25 supports RFC6455
Tomcat 7.0.27 now supports it V 7.0.28 supports RFC6455
Tomcat 8.x has native support for websockets RFC6455 and is JSR 356 compliant
JSR 356 included in Java EE 7 will define the Java API for WebSocket, but is not yet stable and complete....