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What is the difference between const_iterator and non-const iterator in the C++ STL?
...};
std::vector<int>::const_iterator cit = v.begin();
// Compile time error: cannot modify container with const_iterator.
//*cit = 1;
As shown above, v.begin() is const overloaded, and returns either iterator or const_iterator depending on the const-ness of the container variable:
How does ...
Use of def, val, and var in scala
...abels from def and val cannot be reassigned, and in case of any attempt an error like the below one will be raised:
scala> something = 5 * 6
<console>:8: error: value something_= is not a member of object $iw
something = 5 * 6
^
When the class is defined like:
scala> cl...
How to tell if a browser is in “quirks” mode?
...
The full answer to your actual specific question of 'Is one single error enough to force it or do you have some leeway?' is that it totally depends on the error. For example,
<!-- Comment -->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD...
log all sql queries
...andlers section in case you get Unable to add handler 'console': 'console' error: 'console':{ 'level':'DEBUG', 'class':'logging.StreamHandler', 'formatter': 'verbose', 'stream': sys.stderr, },
– Don Grem
...
How do I set up NSZombieEnabled in Xcode 4?
... aid that increases memory use (no object is really released) but improves error reporting.
A typical case is when you over-release an object and you don't know which one:
With zombies: -[UITableView release]: message sent to deallocated instance
Without zombies:
This Xcode setting is ign...
Facebook API - How do I get a Facebook user's profile image through the Facebook API (without requir
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In July 2015 this no longer works (error: "Cannot query users by their username")
– Flimm
Jul 1 '15 at 9:07
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...
Why does only the first line of this Windows batch file execute but all three lines execute in a com
... solved it:
Bat file contents (if you want to stop batch when one of cmds errors)
cmd1 && ^
cmd2 && ^
cmd3 && ^
cmd4
Bat file contents (if you want to continue batch when one of cmds errors)
cmd1 & ^
cmd2 & ^
cmd3 & ^
cmd4
...
How to build an APK file in Eclipse?
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This seems like a good answer. However android lint errors prevent this from working... The standard "Run" action somehow succeeds in generating the apk file even with android lint errors.
– Jarl
Dec 14 '12 at 6:52
...
In which order should floats be added to get the most precise result?
... (also known as compensated summation) significantly reduces the numerical error in the total obtained by adding a sequence of finite precision floating point numbers, compared to the obvious approach. This is done by keeping a separate running compensation (a variable to accumulate small errors).
...
difference between throw and throw new Exception()
...);
}
I'd recommend using:
the first if you want to do some cleanup in error situation without destroying information or adding information about the error.
the third if you want to add more information about the error.
the second if you want to hide information (from untrusted users).
...