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Pandas: Looking up the list of sheets in an excel file
...sed only zipfile which is an in-built module and xmltodict which I used to convert the XML into an easily iterable dictionary. Although you can look at @divingTobi's answer below where you can read the same file without actually extracting the files within.
– Dhwanil shah
...
How to find memory leak in a C++ code/project?
... to house a string.
delete [] str; // Clear those 30 bytes and make str point nowhere.
2
Reallocate memory only if you've deleted. In the code below, str acquires a new address with the second allocation. The first address is lost irretrievably, and so are the 30 bytes that it pointed to. Now th...
How to 'minify' Javascript code
...alert(condition?'yes':'no')
//if the condition is true alert yes else no
Convert a number to a string or viceversa
var a=10;
var b=a.toString();
var c=parseFloat(b)
//same as
var a=10,b,c;
b=a+'';
c=b*1
//shorter
var a=10;
a+='';//String
a*=1;//Number
Round a number
var a=10.3899845
var b=Mat...
Time complexity of Sieve of Eratosthenes algorithm
...sqrt(n) so overall time complexity will O(sqrt(n)loglog(n)):
void isprime(int n)
{
int prime[n],i,j,count1=0;
for(i=0;i<n;i++)
{
prime[i]=1;
}
prime[0]=prime[1]=0;
for(i=2;i<=n;i++)
{
if(prime[i]==1)
{
printf("%d ",i);
...
What is a StackOverflowError?
...le to generate indirect recursion. For example, your app may be handling paint messages, and, whilst processing them, it may call a function that causes the system to send another paint message. Here you've not explicitly called yourself, but the OS/VM has done it for you.
To deal with them, you'll...
Ways to save enums in database
...gging and support way too difficult. We store the actual enumeration value converted to string:
public enum Suit { Spade, Heart, Diamond, Club }
Suit theSuit = Suit.Heart;
szQuery = "INSERT INTO Customers (Name, Suit) " +
"VALUES ('Ian Boyd', %s)".format(theSuit.name());
and then read...
from jquery $.ajax to angular $http
...ore concise (especially using .post() method)
AngularJS will take care of converting JS objects into JSON string and setting headers (those are customizable)
Callback functions are named success and error respectively (also please note parameters of each callback) - Deprecated in angular v1.5
use t...
How do you test private methods with NUnit?
... to test private methods. My guess was that I need to include my test code into my main code?! - That doesn't seem to be the correct way to do it. (I dislike the idea of shipping code with tests in it.)
...
Using lambda expressions for event handlers
... the exact same code that you are used to working with.
The compiler will convert the code you have to something like this:
public partial class MyPage : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
//snip
MyButton.Click += new EventHandler(de...
Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP
...ify a filter then you will not really fix the security issue NetBeans is pointing out. For example, if you are expecting an int, use: filter_input(INPUT_POST, 'var_name', FILTER_SANITIZE_NUMBER_INT)
– HoffZ
Jul 18 '14 at 12:00
...