In general, the answer to your question is “yes”, but… .equals(…) will only compare what it is written to compare, no more, no less. If a class does not override the equals method, then it defaults to the equals(Object o) method of the closest parent class that has overridden this method. If no parent classes have provided an … Read more
Modify the JavaScript property document.body.style.background. For example: Note: this does depend a bit on how your page is put together, for example if you’re using a DIV container with a different background colour you will need to modify the background colour of that instead of the document body.
On my debian server (squeeze) I get this message every few seconds: Sep 18 21:28:14 myhost kernel: [7903784.720091] AIF:UNPRIV connect attempt: IN=eth0 OUT= MAC= SRC=my_serverip_eth0 DST=224.0.0.251 LEN=72 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=52 the packets are coming from inside my server (i replaced it with my_serverip_eth0) and seem to be blocked going out to … Read more
A nice way to do this is using Apache commons IOUtils to copy the InputStream into a StringWriter… something like or even Alternatively, you could use ByteArrayOutputStream if you don’t want to mix your Streams and Writers
Use On Python 2.x, the sorted function takes its arguments in this order: so without the key=, the function you pass in will be considered a cmp function which takes 2 arguments.
I got a new laptop with Windows 10 and I want to set it up so I can use java and javac from the command line. I have searched online but all the guides are for previous versions, and I don’t want to mess around with something I don’t understand.
I’m currently working on a mobile site with authentication using PHP sessions with a database. I have a login page with a form that goes to server_login.php on submit. The php file then creates some session data (store in $_SESSION), and redirects the user back to the index page: The new web page (index.php) loads correctly; however, … Read more
There is a PEP for everything. Quote from PEP8: Imports Explicit relative imports are an acceptable alternative to absolute imports, especially when dealing with complex package layouts where using absolute imports would be unnecessarily verbose: Guido’s decision in PEP328 Imports: Multi-Line and Absolute/Relative Copy Pasta from PEP328 Here’s a sample package layout: Assuming that the current file is either moduleX.py or subpackage1/__init__.py , … Read more
I’ve created a GUI using wxFormBuilder that should allow a user to enter the names of “visitors to a business” into a list and then click one of two buttons to return the most frequent and least frequent visitors to the business. I created an earlier version that, unfortunately, gave me the range of visitors, … Read more
Why are the running times of BFS and DFS O(V+E), especially when there is a node that has a directed edge to a node that can be reached from the vertex, like in this example in the following site http://www.personal.kent.edu/~rmuhamma/Algorithms/MyAlgorithms/GraphAlgor/depthSearch.htm