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Why does this code using random strings print “hello world”?

The following print statement would print "hello world". Could anyone explain this? 15 Answers ...
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How to set up a cron job to run an executable every hour?

...invoked from any other directory? This is rather a bug on the executable. One potential reason could be the executable requires some shared libraires from the installed folder. You may check environment variable LD_LIBRARY_PATH ...
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How to apply two CSS classes to a single element

...a selector will select the first and third. However, if you want to select one which has both a and b, you can use the selector .a.b { ... }. Note that this won't work in IE6, it will simply select .b (the last one). share ...
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Why C# implements methods as non-virtual by default?

...up with dead or half-used APIs which is far worse than the scenario of someone misusing it. – Chris Nicola Jun 15 '11 at 20:12  |  show 13 mor...
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how do I make a single legend for many subplots with matplotlib?

...egend referencing many curves in different subplots, so I have to show you one... to make you curious... Now, you want to look at the code, don't you? from numpy import linspace import matplotlib.pyplot as plt # Calling the axes.prop_cycle returns an itertoools.cycle color_cycle = plt.rcParams['a...
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Async/Await vs Threads

...hing taking time, most typically an I/O request. Which traditionally was done with a callback when the I/O request was complete. Writing code that relies on these callbacks is quite difficult, await greatly simplifies it. capable of doing what ever a Thread can do asynchronously ? Roughly. ...
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Set selected option of select box

... Just in case anyone else wonders, the 'Gateway 2' passed to the function val matches the value of the value attribute of the select option, not its text. See this JSFiddle, which is a very mildly edited version of Darin's demo, for an exampl...
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Android image caching

... how can we write image on sd or phone memory? – d-man Dec 22 '09 at 11:05 To ...
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How do I enable C++11 in gcc?

...ake command in a terminal. You may have to install make. Here's a simple one : CXX=clang++ CXXFLAGS=-g -std=c++11 -Wall -pedantic BIN=prog SRC=$(wildcard *.cpp) OBJ=$(SRC:%.cpp=%.o) all: $(OBJ) $(CXX) -o $(BIN) $^ %.o: %.c $(CXX) $@ -c $< clean: rm -f *.o rm $(BIN) It as...
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What do I need to read to understand how git works? [closed]

... The Git Internals ebook has already been mentioned. I will point out that its author, Scott Chacon, gave a fantastic presentation about git at RailsConf 2008 that covers much the same ground as the book. Said Scott now maintains http://git-scm.com/, which includes the G...