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Read user input inside a loop
I am having a bash script which is something like following,
6 Answers
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C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p
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First, you have to learn to think like a Language Lawyer.
The C++ specification does not make reference to any particular compiler, operating system, or CPU. It makes reference to an abstract machine that is a generalization of actual systems. In the Lan...
How to import an existing X.509 certificate and private key in Java keystore to use in SSL?
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Believe or not, keytool does not provide such basic functionality like importing private key to keystore. You can try this workaround with merging PKSC12 file with private key to a keystore:
keytool -importkeystore \
-deststorepass storepa...
How do you rename a Git tag?
Today I was looking through the logs for a project and realized that I fat fingered a tag name some time ago. Is there some way to rename the tag? Google hasn't turned up anything useful.
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What does “#pragma comment” mean?
...mment in the generated object file. The comment can then be read by the linker when it processes object files.
#pragma comment(lib, libname) tells the linker to add the 'libname' library to the list of library dependencies, as if you had added it in the project properties at Linker->Input->Ad...
What is “with (nolock)” in SQL Server?
Can someone explain the implications of using with (nolock) on queries, when you should/shouldn't use it?
16 Answers
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Calculate number of hours between 2 dates in PHP
...han format. If you want the result in hours only, you could to something like this:
$date1 = new DateTime('2006-04-12T12:30:00');
$date2 = new DateTime('2006-04-14T11:30:00');
$diff = $date2->diff($date1);
$hours = $diff->h;
$hours = $hours + ($diff->days*24);
echo $hours;
And here ar...
git - Server host key not cached
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The message means that the host key of origin is not present in your trusted hosts file.
To get around this, open a plain SSH connection to origin and SSH will ask you if you want to trust the remote host (from the Git console):
$ ssh 127.0.0.1
The authen...
Creating a singleton in Python
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class Singleton(type):
_instances = {}
def __call__(cls, *args, **kwargs):
if cls not in cls._instances:
cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs)
return cls._instances[cls]
class Logger(object):
__metaclass__ = Singleton
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How to elegantly deal with timezones
... the following:
All date times on the server are UTC.
That means using, like you said, DateTime.UtcNow.
Try to trust the client passing dates to the server as little as possible. For example, if you need "now", don't create a date on the client and then pass it to the server. Either create a date ...