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What does int argc, char *argv[] mean?
...std::cout << argv[i] << std::endl;
}
}
Running it with ./test a1 b2 c3 will output
Have 4 arguments:
./test
a1
b2
c3
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How to elegantly check if a number is within a range?
...
Do you mean?
if(number >= 1 && number <= 100)
or
bool TestRange (int numberToCheck, int bottom, int top)
{
return (numberToCheck >= bottom && numberToCheck <= top);
}
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How to stop a goroutine
...behaving (ie: stuck in an infinite loop).
Here's a simple example which I tested:
package main
import (
"launchpad.net/tomb"
"time"
"fmt"
)
type Proc struct {
Tomb tomb.Tomb
}
func (proc *Proc) Exec() {
defer proc.Tomb.Done() // Must call only once
for {
select {
case <-p...
How to find unused/dead code in java projects [closed]
...
Use a test coverage tool to instrument your codebase, then run the application itself, not the tests.
Emma and Eclemma will give you nice reports of what percentage of what classes are run for any given run of the code.
...
How can I verify a Google authentication API access token?
... the "profile" and
// "email" OAuth scopes to the application.
"email": "testuser@gmail.com",
"email_verified": "true",
"name" : "Test User",
"picture": "https://lh4.googleusercontent.com/-kYgzyAWpZzJ/ABCDEFGHI/AAAJKLMNOP/tIXL9Ir44LE/s99-c/photo.jpg",
"given_name": "Test",
"family_name": "Use...
Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)
...hines which you might not need. They have time-based method which is the fatest one among all methods. Yes, synchronized is not necessary here cause' I realized SecureRandom is thread safe already. Why would declaring static final on SecureRandom would decrease the entropy? I am curious :) There ar...
How to use @Nullable and @Nonnull annotations more effectively?
...ot be null, there are further advantages:
Static code analysis tools can test the same as your IDE (e.g. FindBugs)
You can use AOP to check these assertions
This can help your code be more maintainable (since you do not need null checks) and less error-prone.
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Simulate delayed and dropped packets on Linux
...t.
# tc qdisc add dev eth0 root netem delay 100ms
Now a simple ping test to host on the local network should show an increase of 100 milliseconds. The delay is limited by the clock resolution of the kernel (Hz). On most 2.4 systems, the system clock runs at 100 Hz which allows delays in incr...
Can I bind an array to an IN() condition?
...mt->execute();
?>
fix: dan, you were right. fixed the code (didn't test it though)
edit: both chris (comments) and somebodyisintrouble suggested that the foreach-loop ...
(...)
// bindvalue is 1-indexed, so $k+1
foreach ($ids as $k => $id)
$stmt->bindValue(($k+1), $id);
$stmt-&g...
Regex - Does not contain certain Characters
...
Here you go:
^[^<>]*$
This will test for string that has no < and no >
If you want to test for a string that may have < and >, but must also have something other you should use just
[^<>] (or ^.*[^<>].*$)
Where [<>] means a...