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Difference between OData and REST web services
...methods, URL conventions, media types,
payload formats and query options etc. OData also guides you about
tracking changes, defining functions/actions for reusable procedures
and sending asynchronous/batch requests etc. Additionally, OData
provides facility for extension to fulfil any custom...
What does the C++ standard state the size of int, long type to be?
...om for caution, and probably for writing and using a function int get_char(FILE *fp, char *c) which returns EOF or 0 and sets *c.
– Jonathan Leffler
Jan 2 '14 at 19:19
2
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Understanding slice notation
...h','o','n']
>>> p[2:3] = 't'
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: can only assign an iterable
The second rule of slice assignment, which you can also see above, is that whatever portion of the list is returned by slice indexing, t...
Javascript object Vs JSON
... use JSON if the "thing" needs to be generated on the server, and use a js file if the "thing" is just served as-is. The other big differentiator is whether you need to include functions and/or dates, as JSON can't represent them, so you must resort to serving a JS file. If you're still unsure, feel...
PDO Prepared Inserts multiple rows in single query
... $data arrays the array_merge function becomes prohibitively slow. My test file to create the $data array has 28 cols and is about 80,000 lines. The final script took 41s to complete.
Using array_push() to create $insert_values instead of array_merge() resulted in a 100X speed up with execution tim...
Fixed Table Cell Width
A lot of people still use tables to layout controls, data etc. - one example of this is the popular jqGrid. However, there is some magic happening that I cant seem to fathom (its tables for crying out loud, how much magic could there possibly be?)
...
Macro vs Function in C
...7/432509.
They can optionally include local info, such as debug strings:(__FILE__, __LINE__, __func__). check for pre/post conditions, assert on failure, or even static-asserts so the code won't compile on improper use (mostly useful for debug builds).
Inspect input args, You can do tests on input a...
Function overloading in Javascript - Best practices
...l just make your code slow and you have the fun of Arrays, nulls, Objects, etc.
What most developers do is tack on an object as the last argument to their methods. This object can hold anything.
function foo(a, b, opts) {
// ...
if (opts['test']) { } //if test param exists, do something..
}...
Getting URL hash location, and using it in jQuery
...g, you can use the String.substring method:
var url = "http://example.com/file.htm#foo";
var hash = url.substring(url.indexOf('#')); // '#foo'
Advice: Be aware that the user can change the hash as he wants, injecting anything to your selector, you should check the hash before using it.
...
How to get visitor's location (i.e. country) using geolocation? [duplicate]
...tname, geolocation information (city, region, country, area code, zip code etc) and network owner. Here's a simple example that logs the city and country:
$.get("https://ipinfo.io", function(response) {
console.log(response.city, response.country);
}, "jsonp");
Here's a more detailed JSFiddle...