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AngularJs $http.post() does not send data
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I had the same problem using asp.net MVC and found the solution here
There is much confusion among newcomers to AngularJS as to why the
$http service shorthand functions ($http.post(), etc.) don’t appear to
be swappable with the jQuery equivalents (jQuery....
Database design for a survey [closed]
...estions. For example: text fields for comments, multiple choice questions, and possibly questions that could contain more than one answer (i.e. check all that apply).
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How to debug PDO database queries?
...could just echo the final SQL query string, try it myself on the database, and tweak it until I fixed the error, then put that back into the code.
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How to round an average to 2 decimal places in PostgreSQL?
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3.14
(1 row)
(In the above, note that float8 is just a shorthand alias for double precision. You can see that PostgreSQL is expanding it in the output).
You must cast the value to be rounded to numeric to use the two-argument form of round. Just append ::numeric for the shorthand cast...
Origin is not allowed by Access-Control-Allow-Origin
...rticle on this issue a while back, Cross Domain AJAX.
The easiest way to handle this if you have control of the responding server is to add a response header for:
Access-Control-Allow-Origin: *
This will allow cross-domain Ajax. In PHP, you'll want to modify the response like so:
<?php heade...
If my interface must return Task what is the best way to have a no-operation implementation?
... to the interface, the class LazyBar must return a task from its method (and for argument's sake can't be changed). If LazyBar s implementation is unusual in that it happens to run quickly and synchronously - what is the best way to return a No-Operation task from the method?
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How to get week number in Python?
...ndar() is an instance-method returning a tuple containing year, weeknumber and weekday in respective order for the given date instance.
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How to set environment variable for everyone under my linux system?
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man 8 pam_env
man 5 pam_env.conf
If all login services use PAM, and all login services have session required pam_env.so in their respective /etc/pam.d/* configuration files, then all login sessions will have some environment variables set as specified in pam_env's configuration file.
On ...
Declare and initialize a Dictionary in Typescript
...ke use of the typed dictionary by splitting your example up in declaration and initialization, like:
var persons: { [id: string] : IPerson; } = {};
persons["p1"] = { firstName: "F1", lastName: "L1" };
persons["p2"] = { firstName: "F2" }; // will result in an error
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Switching between Android Navigation Drawer image and Up caret when using fragments
When using the Navigation Drawer the Android devs are recommending that in the ActionBar "only those screens that are represented in the Navigation Drawer should actually have the Navigation Drawer image" and that "all other screens have the traditional up carat."
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