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How to change the style of alert box?
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124
The alert box is a system object, and not subject to CSS. To do this style of thing you would n...
How to validate an email address using a regular expression?
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How do I create a transparent Activity on Android?
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Modern way to filter STL container?
...xample from cplusplus.com for std::copy_if:
std::vector<int> foo = {25,15,5,-5,-15};
std::vector<int> bar;
// copy only positive numbers:
std::copy_if (foo.begin(), foo.end(), std::back_inserter(bar), [](int i){return i>=0;} );
std::copy_if evaluates the lambda expression for ever...
How do I print the full value of a long string in gdb?
...o applies to the display of strings. When GDB starts, this limit is set to 200. Setting number-of-elements to zero means that the printing is unlimited.
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Use of def, val, and var in scala
These lines of code outputs 12 , even though person.age=20 was successfully executed. I found that this happens because I used def in def person = new Person("Kumar",12) . If I use var or val the output is 20 . I understand the default is val in scala. This:
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Writing your own STL Container
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Here's a sequence pseudo-container I pieced together from § 23.2.1\4 Note that the iterator...
How to pipe input to a Bash while loop and preserve variables after loop ends
... in a script makes the modfied sum available after the loop:
FILECONTENT="12 Name
13 Number
14 Information"
shopt -s lastpipe # Comment this out to see the alternative behaviour
sum=0
echo "$FILECONTENT" |
while read number name; do ((sum+=$number)); done
echo $sum
Doing this at the command line ...
File Upload without Form
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edited May 13 '15 at 20:37
AbdelHady
6,67077 gold badges4545 silver badges7878 bronze badges
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