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Chaining multiple MapReduce jobs in Hadoop
...order.
Or you can use a Cascade (and MapReduceFlow) in Cascading ( http://www.cascading.org/ ). A future version will support Riffle annotations, but it works great now with raw MR JobConf jobs.
A variant on this is to not manage MR jobs by hand at all, but develop your application using the Casca...
Send POST data using XMLHttpRequest
...long with the request
http.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
http.onreadystatechange = function() {//Call a function when the state changes.
if(http.readyState == 4 && http.status == 200) {
alert(http.responseText);
}
}
http.send(params);...
Is it possible to install iOS 6 SDK on Xcode 5?
...nother computer and the same you can download from following link.
http://www.4shared.com/zip/NlPgsxz6/iPhoneOS61sdk.html
(www.4shared.com test account test@yopmail.com/test)
There are 2 ways to work with.
1) Unzip and paste this folder to /Applications/Xcode.app/Contents/Developer/Platforms/iPho...
Is == in PHP a case-sensitive string comparison?
...me other operands from the php manual to familiarize yourself with
http://www.php.net/manual/en/language.operators.comparison.php
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How to read data when some numbers contain commas as thousand separator?
...
"Preprocess" in R:
lines <- "www, rrr, 1,234, ttt \n rrr,zzz, 1,234,567,987, rrr"
Can use readLines on a textConnection. Then remove only the commas that are between digits:
gsub("([0-9]+)\\,([0-9])", "\\1\\2", lines)
## [1] "www, rrr, 1234, ttt \n r...
How to get Top 5 records in SqLite?
... equivalent statement would be
select * from [TableName] limit 5
http://www.w3schools.com/sql/sql_top.asp
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Make an HTTP request with android
...t.
You would then retrieve a web page like so:
URL url = new URL("http://www.android.com/");
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
try {
InputStream in = new BufferedInputStream(urlConnection.getInputStream());
readStream(in);
}
finally {
urlCon...
Disable cache for some images
... javascript, here is an example...
<img id=graph alt=""
src="http://www.kitco.com/images/live/gold.gif"
/>
<script language="javascript" type="text/javascript">
var d = new Date();
document.getElementById("graph").src =
"http://www.kitco.com/images/live/gold.gif?v...
How do I go straight to template, in Django's urls.py?
...e for more recent versions and including mime type from this site:
http://www.techstricks.com/adding-robots-txt-to-your-django-project/
from django.conf.urls import url
from django.views.generic import TemplateView
urlpatterns = [
#... your project urls
url(r'^robots.txt$', TemplateView.a...
Set default value of an integer column SQLite
... "
+ KEY_NOTE + " INTEGER DEFAULT 0);");
This link is useful: http://www.sqlite.org/lang_createtable.html
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