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How to call a PHP function on the click of a button
...submit" class="button" name="select" value="select" />
jQuery:
$(document).ready(function(){
$('.button').click(function(){
var clickBtnValue = $(this).val();
var ajaxurl = 'ajax.php',
data = {'action': clickBtnValue};
$.post(ajaxurl, data, function (re...
How to divide flask app into multiple py files?
... package structure to divide your App into multiple modules, see the Flask docs.
However,
Flask uses a concept of blueprints for making application components and supporting common patterns within an application or across applications.
You can create a sub-component of your app as a Blueprint...
Reorder / reset auto increment primary key
...
mySQL Doc advises against this: " As a general rule, other than in SET statements, you should never assign a value to a user variable and read the value within the same statement. For example, to increment a variable, this is okay...
Two way sync with rsync
...n.edu/~bcpierce/unison/
Syntax:
unison dirA/ dirB/
Unison asks what to do when files are different, but you can automate the process by using the following which accepts default (nonconflicting) options:
unison -auto dirA/ dirB/
unison -batch dirA/ dirB/ asks no questions at all, and writes to...
How to compare two colors for similarity/difference
...imilar to a variable color, and with what percentage. The thing is that I don't know how to do that manually step by step. So it is even more difficult to think of a program.
...
Accessing a Dictionary.Keys Key through a numeric index
...
As @Falanwe points out in a comment, doing something like this is incorrect:
int LastCount = mydict.Keys.ElementAt(mydict.Count -1);
You should not depend on the order of keys in a Dictionary. If you need ordering, you should use an OrderedDictionary, as sugg...
Extracting an attribute value with beautifulsoup
...ng only one element). Depending on what you want exactly you either should do:
output = input_tag[0]['value']
or use .find() method which returns only one (first) found element:
input_tag = soup.find(attrs={"name": "stainfo"})
output = input_tag['value']
...
When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
...-ish and require casting due to Scala's type system.
Also in Java people don't typically make immutable objects which I recommend you do for messaging. Consequently its very easy in Java to accidentally do something using Akka that will not scale (using mutable objects for messages, relying on wei...
Exception 'open failed: EACCES (Permission denied)' on Android
...
WARNING In android 4.4.4 do not use the parameter android:maxSdkVersion="18". It was generating this exception
– guisantogui
Aug 26 '14 at 22:39
...
StringBuilder vs String concatenation in toString() in Java
...ve only 3
properties it might not make a
difference, but at what point do you
switch from concat to builder?
At the point where you're concatenating in a loop - that's usually when the compiler can't substitute StringBuilder by itself.
...