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Why is debugging better in an IDE? [closed]
...hat an IDE debugger will give you over trace messages in code:
View the call stack at any point in time, giving you a context for your current stack frame.
Step into libraries that you are not able to re-compile for the purposes of adding traces (assuming you have access to the debug symbols)
Chan...
IPN vs PDT in Paypal
...n't happen. The application I wrote handles the PDT and IPN almost identically (the backend part is the same) and that code acquires a per-web-user lock in the database, so that if the same user tries to submit the exact same payment multiple times it can only be processed once. Once processed the...
Remove large .pack file created by git
...ith unwanted_filename_or_folder replaced accordingly:
git filter-branch --index-filter 'git rm -r --cached --ignore-unmatch unwanted_filename_or_folder' --prune-empty
This will remove all references to the files from the active history of the repo.
Next step, to perform a GC cycle to force all r...
Redirecting to a certain route based on condition
...& user.isAdmin
}
})
})
3. Check auth on each route change.
// index.js
.run(function ($rootScope, $location) {
$rootScope.$on('$routeChangeStart', function (ev, next, curr) {
if (next.$$route) {
var user = $rootScope.user
var auth = next.$$route.auth
if (auth &a...
How big can a user agent string get?
...
HTTP specification does not limit length of headers at all.
However web-servers do limit header size they accept, throwing 413 Entity Too Large if it exceeds.
Depending on web-server and their settings these limits vary from 4KB to 64KB (total for all headers).
...
You can't specify target table for update in FROM clause
...e the query can be very slow; try to create temporary/second table with an index/primary key [see dev.mysql.com/doc/refman/5.1/en/create-table-select.html ]
– Alex
Feb 11 '13 at 9:25
...
Is there a library function for Root mean square error (RMSE) in python?
... above example. superscript 2 stands for numeric squared. di is the i'th index of d. pi is the i'th index of p.
The rmse done in small steps so it can be understood:
def rmse(predictions, targets):
differences = predictions - targets #the DIFFERENCEs.
differences...
CodeIgniter activerecord, retrieve last insert id?
...t can be return insert id it is
// similar to the mysql_insert_id in core PHP
You can refer this link you can find some more stuff.
Information from executing a query
share
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How to make/get a multi size .ico file? [closed]
...
I had all the images already, delivered by the artist for mac. All I had to do was open one of them in Gimp, and the choose "Open as layers.." on the remaining ones. All layers are automatically created in the correct size, export ...
Add timestamps to an existing table
...
Available transformations are
change_table :table do |t|
t.column
t.index
t.timestamps
t.change
t.change_default
t.rename
t.references
t.belongs_to
t.string
t.text
t.integer
t.float
t.decimal
t.datetime
t.timestamp
t.time
t.date
t.binary
t.boolean
t.remove
...