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Mongoose populate after save
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It would be nice if this worked with virtual attributes. like creator.profile
– chovy
Jun 5 '14 at 7:31
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How to make an array of arrays in Java
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Quick question: How will I do this at run time if I have no idea how many array objects will be created?
– Terence Ponce
Jan 24 '11 at 11:30
1
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Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]
...e it does not know that the struct is actually defined by the ZIP file specification.
C is an unsafe language. The C compiler doesn't know whether the data will be accessed via a different type than the one seen by the compiler, for example:
struct S {
char a;
int b;
char c;
};
struct ...
Difference between variable declaration syntaxes in Javascript (including global variables)?
...undefined.
This only applies to the window object, and only (as far as I know) to IE8 and earlier (or IE9-IE11 in the broken "compatibility" mode). Other browsers are fine with deleting window properties, subject to the rules above.
When var happens
The variables defined via the var statement a...
What does T&& (double ampersand) mean in C++11?
...bs Jul 13 '14 at 16:12
The biggest difference between a C++03 reference (now called an lvalue reference in C++11) is that it can bind to an rvalue like a temporary without having to be const. Thus, this syntax is now legal:
T&& r = T();
rvalue references primarily provide for the follo...
AngularJS HTTP post to PHP and undefined
...$email = $request->email;
$pass = $request->password;
Alternately, if you are heavily relying on $_POST functionality, you can form a query string like email=someemail@email.com&password=somepassword and send that as data. Make sure that this query string is URL encoded. If manually buil...
How can I read SMS messages from the device programmatically in Android?
...solver().query(Uri.parse("content://sms/inbox"), null, null, null, null);
if (cursor.moveToFirst()) { // must check the result to prevent exception
do {
String msgData = "";
for(int idx=0;idx<cursor.getColumnCount();idx++)
{
msgData += " " + cursor.getColumnNa...
Input from the keyboard in command line application
...oard input for a command line app for the new Apple programming language Swift.
19 Answers
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How to git-cherry-pick only changes to certain files?
...tively with git reset -p HEAD. It's the equivalent of add -p but very few know that it exists.
– Patrick Schlüter
Mar 14 '17 at 9:09
2
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MySql Table Insert if not exist otherwise update
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now I defined the datenum as unique, and it's work fine, thanks
– OHLÁLÁ
May 18 '11 at 8:21
1
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