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Resize HTML5 canvas to fit window
How can I automatically scale the HTML5 <canvas> element to fit the page?
15 Answers
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How to exit pdb and allow program to continue?
...b module to debug a program. I'd like to understand how I can exit pdb and allow the program to continue onward to completion. The program is computationally expensive to run, so I don't want to exit without the script attempting to complete. continue doesn't seems to work. How can I exit pdb and ...
Get TransactionScope to work with async / await
...flow across thread continuations.
My understanding is that it is meant to allow you to write code like this:
// transaction scope
using (var scope = new TransactionScope(... ,
TransactionScopeAsyncFlowOption.Enabled))
{
// connection
using (var connection = new SqlConnection(_connectionStrin...
In a storyboard, how do I make a custom cell for use with multiple controllers?
...lls out of a storyboard, here's what happens:
Each prototype cell is actually its own embedded mini-nib. So when the table view controller is loading up, it runs through each of the prototype cell's nibs and calls -[UITableView registerNib:forCellReuseIdentifier:].
The table view asks the controll...
Google Authenticator implementation in Python
...m/tadeck/onetimepass).
import hmac, base64, struct, hashlib, time
def get_hotp_token(secret, intervals_no):
key = base64.b32decode(secret, True)
msg = struct.pack(">Q", intervals_no)
h = hmac.new(key, msg, hashlib.sha1).digest()
o = ord(h[19]) & 15
h = (struct.unpack("&g...
Difference between ProcessBuilder and Runtime.exec()
...sn't work: List<String> params = java.util.Arrays.asList(installation_path+uninstall_path+uninstall_command, uninstall_arguments); Process qq=new ProcessBuilder(params).start();
– gal
Jul 28 '11 at 9:50
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Spring Java Config: how do you create a prototype-scoped @Bean with runtime arguments?
... its BeanFactory#getBean(String name, Object... args) method which states
Allows for specifying explicit constructor arguments / factory method
arguments, overriding the specified default arguments (if any) in the
bean definition.
Parameters:
args arguments to use if creating a prototype using expl...
Simple proof that GUID is not unique [closed]
...(OutOfMemoryException)
{
// Release the ram we allocated up front.
// Actually, these are pointless too.
//GC.KeepAlive(reserveSomeRam);
//GC.Collect();
}
Console.WriteLine("{0:u} - Built bigHeapOGuid...
When should we use mutex and when should we use semaphore
... to sleep till you release the mutex.
Spinlock:
Use a spinlock when you really want to use a mutex but your thread is not allowed to sleep.
e.g.: An interrupt handler within OS kernel must never sleep. If it does the system will freeze / crash. If you need to insert a node to globally shared linke...
How can I create an executable JAR with dependencies using Maven?
...mments.
Commonly this goal is tied to a build phase to execute automatically. This ensures the JAR is built when executing mvn install or performing a deployment/release.
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<configuration>
<archive>
...