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C++ Exceptions questions on rethrow of original exception

...copy-construction of a base class instance. Simple program to illustrate what's happening: #include <stdio.h> struct MyErr { MyErr() { printf(" Base default constructor, this=%p\n", this); } MyErr(const MyErr& other) { printf(" Base copy-constructor, this=%p from that=%...
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Python progression path - From apprentice to guru

...l your old Python code with tons of higher order functions, recursion, and whatnot. Annoy your cubicle mates every time they present you with a Python class. Claim it could be "better" implemented as a dictionary plus some functions. Embrace functional programming. Rediscover the Strategy pattern ...
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Argparse: Required argument 'y' if 'x' is present

... Thats what I ended up doing – asudhak Oct 16 '13 at 22:41 20 ...
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Check whether a cell contains a substring

... Welcome to SO. You should read up on what makes a good answer. – geotheory Mar 23 '16 at 13:41 ...
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“Cannot start compilation: the output path is not specified for module…”

... looks great. What file do I put this configuration in? – clay Jul 2 '14 at 13:29 ...
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How to update Python?

...n reinstalling all packages might have been necessary. Use pip list to see what packages were installed and their versions. Some were installed by PortablePython. Use easy_install pip to install pip if it wasn't installed. If OP has 2.7.x and wants to install a different version, e.g. <=2.6.x or...
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How to drop columns by name in a data frame

...hich(names(dat) %in% c("foo","bar"))] ## deletes all columns! Probably not what you wanted... Instead use subset or the ! function: dat[ , !names(dat) %in% c("z","u")] ## works as expected dat[ , !names(dat) %in% c("foo","bar")] ## returns the un-altered data.frame. Probably what you want I hav...
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Why does CSS work with fake elements?

... in a team, the other members or new developer should instantly understand what you're trying to achieve . . . With invalid, made up tags, this can become very difficult... – Pat Dobson Dec 3 '13 at 15:57 ...
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Core pool size vs maximum pool size in ThreadPoolExecutor

What exactly is the difference between core pool size and maximum pool size when we talk in terms of ThreadPoolExecutor ? Can it be explained with the help of an example? ...
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Difference between session affinity and sticky session?

What is the difference between session affinity and sticky session in context of load balancing servers? 7 Answers ...