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How to implement an STL-style iterator and avoid common pitfalls?
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http://www.cplusplus.com/reference/std/iterator/ has a handy chart that details the specs of § 24.2.2 of the C++11 standard. Basically, the iterators have tags that describe the valid operations, and the tags have a hierarc...
How to properly URL encode a string in PHP?
...%a&!e#"^2(^@azW';
// Here is a URL to redeem that token
$redeemUrl = 'https://httpbin.org/get?token=' . urlencode($token);
// Actual contents we want for the email
$subject = 'I just bought this for you';
$body = 'Please enter your shipping details here: ' . $redeemUrl;
// A URI for the email...
What does the caret operator (^) in Python do?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to launch jQuery Fancybox on page load?
...transitionOut': 'fade',
'type': 'iframe',
'href': 'http://www.example.com'
});
});
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Selecting a row of pandas series/dataframe by integer index
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echoing @HYRY, see the new docs in 0.11
http://pandas.pydata.org/pandas-docs/stable/indexing.html
Here we have new operators, .iloc to explicity support only integer indexing, and .loc to explicity support only label indexing
e.g. imagine this scenario
In [1]: d...
Create or write/append in text file
... "wr" in your code:
fopen("logs.txt", "wr")
The file open modes in PHP http://php.net/manual/en/function.fopen.php is the same as in C: http://www.cplusplus.com/reference/cstdio/fopen/
There are the following main open modes "r" for read, "w" for write and "a" for append, and you cannot combin...
Class JavaLaunchHelper is implemented in both. One of the two will be used. Which one is undefined [
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Install Java 7u21 from here: http://www.oracle.com/technetwork/java/javase/downloads/java-archive-downloads-javase7-521261.html#jdk-7u21-oth-JPR
set these variables:
export JAVA_HOME="/Library/Java/JavaVirtualMachines/jdk1.7.0_21.jdk/Contents/Home"
expo...
How to clear MemoryCache?
...et and has none of the problems discussed above.
// By Thomas F. Abraham (http://www.tfabraham.com)
namespace CacheTest
{
using System;
using System.Diagnostics;
using System.Globalization;
using System.Runtime.Caching;
public class SignaledChangeEventArgs : EventArgs
{
...
Linq to Sql: Multiple left outer joins
...ave access to VisualStudio (I'm on my Mac), but using the information from http://bhaidar.net/cs/archive/2007/08/01/left-outer-join-in-linq-to-sql.aspx it looks like you may be able to do something like this:
var query = from o in dc.Orders
join v in dc.Vendors on o.VendorId equals v.Id...
Differences between socket.io and websockets
...those limitations.
This is a good read on both WebSockets and Socket.IO.
http://davidwalsh.name/websocket
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