大约有 40,000 项符合查询结果(耗时:0.1008秒) [XML]
Error: Can't set headers after they are sent to the client
...) {
if (err) {
res.send(err);
} else {
User.findOneAndUpdate({ _id: req.user._id }, { $push: { article: doc._id } })
.exec(function(err, doc2) {
if (err) res.send(err);
else res.json(doc2); // Will be called second.
})
res.json(doc1); // Will be ...
How can I stop .gitignore from appearing in the list of untracked files?
...on.
So, add it to your repository, it should not be gitignored.
If you really want you can add .gitignore to the .gitignore file if you don't want it to be committed. However, in that case it's probably better to add the ignores to .git/info/exclude, a special checkout-local file that works just l...
Is it possible to specify the schema when connecting to postgres with JDBC?
...also set the user's default schema to your desired schema:
ALTER USER user_name SET search_path to 'schema'
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How to wait in a batch script? [duplicate]
...ist on your Windows XP box? According to this post: http://malektips.com/xp_dos_0002.html sleep isn't available on Windows XP, and you have to download the Windows 2003 Resource Kit in order to get it.
Chakrit's answer gives you another way to pause, too.
Try running sleep 10 from a command prompt...
How to build an APK file in Eclipse?
...
The APK file is in the /workspace/PROJECT_FOLDER/bin directory. To install the APK file in a real device:
Connect your real device with a PC/laptop.
Go to sdk/tools/ using a terminal or command prompt.
adb install <FILE PATH OF .APK FILE>
That's it...
...
Safely turning a JSON string into an object
...here's how you do it in Prototype (JSON tutorial).
new Ajax.Request('/some_url', {
method:'get',
requestHeaders: {Accept: 'application/json'},
onSuccess: function(transport){
var json = transport.responseText.evalJSON(true);
}
});
Calling evalJSON() with true as the argument sanitizes...
unable to install pg gem
... me:
Install the postgresql-devel package, this will solve the issue of pg_config missing.
sudo apt-get install libpq-dev
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Best way for a 'forgot password' implementation? [closed]
...
this is essentially the described way of properly resetting a password crackstation.net/hashing-security.htm#faq
– TruthOf42
Nov 22 '13 at 13:30
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Graphviz: How to go from .dot to a graph?
...neato and twopi. If graphiz isn't in your path, figure out where it is installed and run it from there.
You can change the output format by varying the value after -T and choosing an appropriate filename extension after -o.
If you're using windows, check out the installed tool called GVEdit, it ma...
Android: Clear the back stack
... to the
foreground, and then clear it to its
root state. This is especially useful,
for example, when launching an
activity from the notification
manager.
So your code to launch A would be:
Intent intent = new Intent(this, A.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Inten...
