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Equation (expression) parser with precedence?
I've developed an equation parser using a si<em>mem>ple stack algorith<em>mem> that will handle binary (+, -, |, &a<em>mem>p;, *, /, etc) operators, unary (!) operators, and parenthesis.
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Regular Expressions: Is there an AND operator?
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Use a non-consu<em>mem>ing regular expression.
The typical (i.e. Perl/Java) notation is:
(?=expr)
This <em>mem>eans "<em>mem>atch expr but after that continue <em>mem>atching at the original <em>mem>atch-point."
You can do as <em>mem>any of these as you want, and this will be...
Python (and Python C API): __new__ versus __init__
The question I'<em>mem> about to ask see<em>mem>s to be a duplicate of Python's use of __new__ and __init__? , but regardless, it's still unclear to <em>mem>e exactly what the practical difference between __new__ and __init__ is.
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iReport not starting using JRE 8
... installed you can do the following:
1) Download the iReport-5.6.0.zip fro<em>mem> https://sourceforge.net/projects/ireport/files/iReport/iReport-5.6.0/
2) Download jre-7u67-windows-x64.tar.gz (the one packed in a tar) fro<em>mem> https://www.oracle.co<em>mem>/technetwork/java/javase/downloads/java-archive-downloads-j...
How do I do an OR filter in a Django query?
I want to be able to list the ite<em>mem>s that either a user has added (they are listed as the creator) or the ite<em>mem> has been approved.
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Browse the files created on a device by the iOS application I'<em>mem> developing, on workstation?
I'<em>mem> developing an IOS app that creates files on the device, e.g. with NSKeyedArchiver .
6 Answers
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Android Writing Logs to text File
I'<em>mem> Trying to Write Logs to Custo<em>mem> Log.txt File on Android File using this code of <em>Mem>ine but then this <em>mem>ethod creates file but contains nothing. Basically I want to read previous contents of the file and then append <em>mem>y data with the existing content.
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Running a Haskell progra<em>mem> on the Android OS
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How you do it is by first getting a Haskell co<em>mem>piler which can target C with the android NDK which co<em>mem>es with a GCC port for AR<em>Mem> architectures. JHC can trivially do this with a very s<em>mem>all inf style file which describes the platfor<em>mem> (word size, c-co<em>mem>piler, etc) I've done ...
What difference does .AsNoTracking() <em>mem>ake?
...by the context so when you are going to save the user back to database you <em>mem>ust attach it and set correctly state of the user so that EF knows that it should update existing user instead of inserting a new one. In the second case you don't need to do that if you load and save the user with the sa<em>mem>e ...
Are C# events synchronous?
...s:
Raising an event does block the thread if the event handlers are all i<em>mem>ple<em>mem>ented synchronously.
The event handlers are executed sequentially, one after another, in the order they are subscribed to the event.
I too was curious about the internal <em>mem>echanis<em>mem> of event and its related operations. S...