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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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Break a previous commit into multiple commits
...eset a8c4ab.
Here's a series of commands to show how it works:
mkdir git-test; cd git-test; git init
now add a file A
vi A
add this line:
one
git commit -am one
then add this line to A:
two
git commit -am two
then add this line to A:
three
git commit -am three
now the file A looks like...
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...
Trusting all certificates using HttpClient over HTTPS
...s looking for HttpURLConnection solution.
Https Connection Android
I have tested the above two kinds of solutions on froyo, and they all work like a charm in my cases. Finally, using HttpURLConnection may face the redirect problems, but this is beyond the topic.
Note: Before you decide to trust al...
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.
...
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...