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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 ...
Add a CSS border on hover without moving the element [duplicate]
...ing when the thick border is applied. codepen
– aleph_one
Mar 18 at 18:36
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...
How to check what user php is running as?
...
If available you can probe the current user account with posix_geteuid and then get the user name with posix_getpwuid.
$username = posix_getpwuid(posix_geteuid())['name'];
If you are running in safe mode however (which is often the case when exec is disabled), then it's unlikely tha...
Mysql: Select rows from a table that are not in another
... all join conditions manually:
SELECT a.*
FROM tbl_1 a
NATURAL LEFT JOIN tbl_2 b
WHERE b.FirstName IS NULL
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How to get JQuery.trigger('click'); to initiate a mouse click
...ed.
For example, I have some code that I want to be executed when #expense_tickets value is changed, and also, when page is reload
$(function() {
$("#expense_tickets").change(function() {
// code that I want to be executed when #expense_tickets value is changed, and also, when page is relo...
SHA-1 fingerprint of keystore certificate
...-keypass android
for Release mode:
keytool -list -v -keystore {keystore_name} -alias {alias_name}
example:
keytool -list -v -keystore C:\Users\MG\Desktop\test.jks -alias test
On windows, when keytool command is not found, Go to your installed JDK Directory e.g. <YourJDKPath>\Java\j...
delete word after or around cursor in VIM
... what's the difference between dw and daw ?
– AK_
Mar 13 '17 at 17:00
5
@AK_ Late response, ...
How to tell if a browser is in “quirks” mode?
...eally true? What are all the possible values?
– still_dreaming_1
Sep 16 '16 at 19:25
...
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 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...
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