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How can I print literal curly-brace characters in python string and also use .format on it?
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You need to double the {{ and }}:
>>> x = " {{ Hello }} {0} "
>>> print(x.format(42))
' { Hello } 42 '
Here's the relevant part of the Python documentation for format string syntax:
Format strings contain “repl...
What is referential transparency?
What does the term referential transparency mean? I've heard it described as "it means you can replace equals with equals" but this seems like an inadequate explanation.
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Difference between wait() and sleep()
...y) must happen in a block synchronized on the monitor object whereas sleep does not:
Object mon = ...;
synchronized (mon) {
mon.wait();
}
At this point the currently executing thread waits and releases the monitor. Another thread may do
synchronized (mon) { mon.notify(); }
(on the same mo...
How do I serialize an object and save it to a file in Android?
...ng that file at some later time... I'm not sure where to start here, what do I need to do to serialize this object to a file?
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What does 'useLegacyV2RuntimeActivationPolicy' do in the .NET 4 config?
...ies has changed. I can't find any details about this change, or why it was done. But the useLegacyV2RuntimeActivationPolicy attribute reverts back to CLR 2.0 loading.
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Checking for NULL pointer in C/C++ [closed]
...my experience, tests of the form if (ptr) or if (!ptr) are preferred. They do not depend on the definition of the symbol NULL. They do not expose the opportunity for the accidental assignment. And they are clear and succinct.
Edit: As SoapBox points out in a comment, they are compatible with C++ c...
When is the thread pool used?
... reality of the situation is actually fairly complex, and typically boiled down to pithy little phrases like "node is single threaded" that over-simplify things.
For the moment, we'll ignore explicit multi-processing/multi-threading through cluster and webworker-threads, and just talk about typical...
Java maximum memory on Windows XP
...ways been able to allocate 1400 megabytes for Java SE running on 32-bit Windows XP (Java 1.4, 1.5 and 1.6).
13 Answers
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How should I pass multiple parameters to an ASP.Net Web API GET?
.... I'm also keeping track of the records returned so that subsequent calls do not get reprocessed in the system.
11 Answers...
How can I use “.” as the delimiter with String.split() in java [duplicate]
What I am trying to do is read a .java file, and pick out all of the identifiers and store them in a list. My problem is with the .split() method. If you run this code the way it is, you will get ArrayOutOfBounds, but if you change the delimiter from "." to anything else, the code works. But I ne...
