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Why does the order in which libraries are linked sometimes cause errors in GCC?
...the history on this answer to get the more elaborate text, but I now think it's easier for the reader to see real command lines).
Common files shared by all below commands
$ cat a.cpp
extern int a;
int main() {
return a;
}
$ cat b.cpp
extern int b;
int a = b;
$ cat d.cpp
int b;
Linking to ...
Where are shared preferences stored?
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edited Oct 16 '17 at 14:04
sziraqui
3,69633 gold badges2020 silver badges3333 bronze badges
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The point of test %eax %eax [duplicate]
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CMP subtracts the operands and sets the flags. Namely, it sets the zero flag if the difference is zero (operands are equal).
TEST sets the zero flag, ZF, when the result of the AND operation is zero. If two operands are equal, their bitwise AND is zero when both are zero. TEST a...
best way to get the key of a key/value javascript object
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perhaps it's an indication of my limited understanding, but this answer seems incredibly verbose (admittedly reusable) for something as simple as getting a key/value. Shouldn't @Michael Benin answer be marked as the best one?
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Floating point vs integer calculations on modern hardware
I am doing some performance critical work in C++, and we are currently using integer calculations for problems that are inherently floating point because "its faster". This causes a whole lot of annoying problems and adds a lot of annoying code.
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Regex doesn't work in String.matches()
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Welcome to Java's misnamed .matches() method... It tries and matches ALL the input. Unfortunately, other languages have followed suit :(
If you want to see if the regex matches an input text, use a Pattern, a Matcher and the .find() method of the matcher:
Pattern p = Pat...
find() with nil when there are no records
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edited Jul 10 '17 at 10:14
answered Mar 7 '12 at 15:47
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Parse DateTime string in JavaScript
...Script Reference: Date object
Mozilla Core JavaScript Reference: String.Split
Code:
var strDate = "03.09.1979";
var dateParts = strDate.split(".");
var date = new Date(dateParts[2], (dateParts[1] - 1), dateParts[0]);
sh...
Error in strings.xml file in Android
..., my guess is there is an apostrophe (') character in your string. replace it with (\') and it will fix the issue. for example,
//strings.xml
<string name="terms">
Hey Mr. Android, are you stuck? Here, I\'ll clear a path for you.
</string>
Ref:
http://www.mrexcel.com/forum/showthr...
Getting name of windows computer running python script?
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It turns out there are three options (including the two already answered earlier):
>>> import platform
>>> import socket
>>> import os
>>> platform.node()
'DARK-TOWER'
>>> socket....