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Why does this code segfault on 64-bit architecture but work fine on 32-bit?
...ion returns int (since you opted not to tell it otherwise), so it tries to read the return value according to the calling convention for an int. Hence p does not necessarily point to the allocated memory. It just so happened to work for IA32 because an int and a void* are the same size, and returned...
When to use a “has_many :through” relation in Rails?
...rough is and when to use it (and how). However, I am not getting it. I am reading Beginning Rails 3 and I tried Googling, but I am not able to understand.
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How to serialize an object into a string
...constituted object");
System.out.println( some );
}
/** Read the object from Base64 string. */
private static Object fromString( String s ) throws IOException ,
ClassNotFoundException {
byte [] data = Base64.getDeco...
await vs Task.Wait - Deadlock?
...
Wait will synchronously block until the task completes. So the current thread is literally blocked waiting for the task to complete. As a general rule, you should use "async all the way down"; that is, don't block on async code. On my blog, I go into the details of how blocking in asynchronous cod...
How to open a specific port such as 9090 in Google Compute Engine
...ine; I'd recommend using the GUI for that if needed because it handles the read-modify-write cycle with setinstancetags.
If you want to open port 9090 to all instances, you can create a firewall rule like:
gcutil addfirewall allow-9090 --allowed=tcp:9090
which will apply to all of your instances...
Converting XML to JSON using Python?
...
It's already been mentioned in newer answers. It still only covers a small subset of valid XML constructs, but probably the majority of what people use in practice.
– Dan Lenski
Dec 5 '18 at 11...
Parallel.ForEach vs Task.Run and Task.WhenAll
... Great answer, I was wondering if you could point me to a good reading material on this topic ?
– Dimitar Dimitrov
Apr 23 '14 at 9:03
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Entity Framework is Too Slow. What are my options? [closed]
... Before anyone does this, it might be a good idea to have a read here. stackoverflow.com/questions/9259480/…
– leen3o
Dec 11 '12 at 19:32
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Suppress command line output
...1 through COM4. NUL is the null device. It can always be opened for either reading or writing, any amount can be written on it, and reads always succeed but return no data. The others include the parallel printer port, the console, and up to four serial ports. As of MSDOS 5, there were several more ...
Chained method calls indentation style in Python [duplicate]
From reading PEP-8, I get it that you should put the closing parenthesis on the same line as the last argument in function calls:
...