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IF… OR IF… in a windows batch file
...%VAR%;=!" neq "!TEST!" if "!TEST:;%VAR%;=;%VAR%;"=="!TEST!" echo true
But now we have lost the ability of providing an ELSE clause unless we add an indicator variable. The code has begun to look a bit "ugly", but I think it is the best performing reliable method for testing if VAR is any one of an ...
“Inner exception” (with traceback) in Python?
...o the original exception's error message, but keep other details intact.
Known Exception Type
try:
sock_common = xmlrpclib.ServerProxy(rpc_url+'/common')
self.user_id = sock_common.login(self.dbname, username, self.pwd)
except IOError:
_, ex, traceback = sys.exc_info()
message = "C...
How to cancel a Task in await?
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Wow great info! That worked perfectly, now I need to figure out how to handle the exception in the async method. Thanks man! I'll read the stuff you suggested.
– Carlo
Apr 13 '12 at 2:48
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What is this 'Lambda' everyone keeps speaking of?
...re a variable. In JavaScript:
function () {}; // very simple
Let's see now some uses for these lambdas.
Abstracting boilerplate code
Lambdas may be used to abstract away boilerplate code. For example loops. We're used to write for and while loops all day long. But this is code that does not be...
Xcode Project vs. Xcode Workspace - Differences
I am trying to understand how the whole ecosystem of iOS works.
Until now, I could find an answer for most of my question (and trust me, there have been a lots of them), but for this one, there seems to be no clear answer yet.
...
Notepad++ Setting for Disabling Auto-open Previous Files
...sion's information / opened files and starts over.
Alternatively, if you know the file which is causing notepad++ to hang, you can simply rename the file and open notepad++. This will solve the problem.
I hadn't seen this solution listed when I was googling my problem so I wanted to add it here!
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HTML text input field with currency symbol
... bad so I'm using display:inline-block combined with vertical-align:bottom now :) I cannot quickly make a fiddle though, there's too much other CSS going in my current example ;-)
– kluka
Aug 1 '16 at 15:50
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Should you declare methods using overloads or optional parameters in C# 4.0?
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hi @JonSkeet, i would like to know if we use both i.e function with optional paramater and other with overloading which method will be called?? eg Add(int a, int b) and Add(int a,int b,int c=0) and function call say: Add(5,10); which method will be called ...
Why is creating a Thread said to be expensive?
... executed within the JVM thread in the OS. They are not often used, to my knowledge.
The biggest factor I can think of in the thread-creation overhead, is the stack-size you have defined for your threads. Thread stack-size can be passed as a parameter when running the VM.
Other than that, thread ...
Analyze audio using Fast Fourier Transform
...-Shannon Sampling Theorem if you are a glutton for punishment and need to know why, but the basic result is that your lower frequencies are going to be replicated or aliased in the higher frequency buckets. So the frequencies will start from 0, increase by 172 Hz for each coefficient up to the N/2 c...