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Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
...ng loop
for (int i = 0; i < 4; ++i)
^
The only way we can analyze what the program is doing, is by reading the generated assembly code.
Here is the full assembly listing:
.file "a.cpp"
.section .text$_ZNKSt5ctypeIcE8do_widenEc,"x"
.linkonce discard
.align 2
LCOLDB0:
L...
What is the purpose of the reader monad?
...y-to-use utility.
There are two ways of approaching a monad: we can ask
What does the monad do? What operations is it equipped with? What is it good for?
How is the monad implemented? From where does it arise?
From the first approach, the reader monad is some abstract type
data Reader env a...
What is the purpose of Android's tag in XML layouts?
...ayout2.xml may not be useful. <merge/> helps get rid of it. Here's what it looks like using merge (layout1.xml doesn't change):
layout2.xml:
<merge>
<TextView />
<TextView />
</merge>
This is functionally equivalent to this layout:
<FrameLayout>
&l...
How should strace be used?
...
So what if you use something below the layer that strace monitors?
– Pacerier
Oct 19 '14 at 0:13
...
What is a simple command line program or script to backup SQL server databases?
...e entire media contents, ignoring any existing content." Make sure this is what you want.
– alexg
May 10 '12 at 9:30
4
...
What is hashCode used for? Is it unique?
...
After learning what it is all about, I thought to write a hopefully simpler explanation via analogy:
Summary: What is a hashcode?
It's a fingerprint. We can use this finger print to identify people of interest.
Read below for more deta...
What does this Google Play APK publish error message mean?
...
But what if I don't want to deactivate the old version and instead to a step release for the new one? So they should coexist for a while until the old one will be replaced completely././
– Makibo
...
What is the source code of the “this” module doing?
...+13) % 26 + c)
Builds the translation table, for both uppercase (this is what 65 is for) and lowercase (this is what 97 is for) chars.
print "".join([d.get(c, c) for c in s])
Prints the translated string.
share
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What are all possible pos tags of NLTK?
...
Now I'm curious: what is so mysterious about this? I have never really used NLTK, and finding that answer took me five minutes of googling and searching... Is it really that hidden?
– phipsgabler
Jun 23 ...
What's the best way to send a signal to all members of a process group?
I want to kill a whole process tree. What is the best way to do this using any common scripting languages? I am looking for a simple solution.
...