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搭建高可用mongodb集群（一）——配置mongodb - 大数据 & AI - 清泛网 - 专...
...nitandlisten] connection accepted from 192.168.0.2:37285 #3 (2 connections now open)
[slaveTracking] update local.slaves query: { _id: ObjectId(’5284e6268ed115d6238bdb39′), config: { host: “192.168.0.2:35271″, upgradeNeeded: true }, ns: “local.oplog.$main” } update: { $set: ...
TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi
...or database interaction, unittest.TestCase for other simple test, it works now!
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How does “cat
...;<EOF
SELECT foo, bar FROM db
WHERE foo='baz'
EOF
)
The $sql variable now holds the new-line characters too. You can verify with echo -e "$sql".
2. Pass multi-line string to a file in Bash
$ cat <<EOF > print.sh
#!/bin/bash
echo \$PWD
echo $PWD
EOF
The print.sh file now contains:
...
How to install the JDK on Ubuntu Linux
...
As of March 2019 the ppa was disabled and now 99% of the answer regarding this issue around the internet cannot be used anymore.
– Tobbey
Apr 29 '19 at 12:35
...
How to send a PUT/DELETE request in jQuery?
...pe: type,
data: data,
success: callback
});
};
});
and now you can use:
$.put('http://stackoverflow.com/posts/22786755/edit', {text:'new text'}, function(result){
console.log(result);
})
copy from here
...
Where can I find my .emacs file for Emacs running on Windows?
...s.d/init.el. Many of the other files that are created by Lisp packages are now stored in the .emacs.d directory too, so this keeps all your Emacs related files in one place.
All the files mentioned above should go in your HOME directory. The HOME directory is determined by following the steps below...
How to call a JavaScript function from PHP?
... 'text'
);
function someOtherFunctionYouWantToCall() {
// stuff
}
Now, if you're dead-set on sending a function name from PHP back to the AJAX call, you can do that too.
$.get(
'wait.php',
{},
function(returnedData) {
// Assumes returnedData has a javascript function ...
How does std::move() transfer values into RValues?
...ct&& arg)
{
return static_cast<Object&&>(arg);
}
Now, you might wonder: do we even need the cast? The answer is: yes, we do. The reason is simple; named rvalue reference is treated as lvalue (and implicit conversion from lvalue to rvalue reference is forbidden by standard)....
Read properties file outside JAR file
...re not absolute path hard code is is required . Both jar and property file now can be copied to any directory and run independently.
– Neil
Jan 9 '12 at 7:50
3
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OAuth with Verification in .NET
...ny, there's a special name and it looks like a "standard" but as far as I know the only service that implements "OAuth 1.0a" is Twitter. I guess that's standard enough. ok, anyway in OAuth 1.0a, the way it works for desktop apps is this:
You, the developer of the app, register the app and get a...