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What is the worst real-world macros/pre-processor abuse you've ever come across?
...non-C++ programmer: Is the main problem here that a threadsafe function is converted into a non-threadsafe one? Or that InterlockedIncrement expects a pointer, so now you'll increase the pointer instead of what it's pointing at? Or both?
– Tim Pietzcker
Sep 20 ...
Why would you use Expression rather than Func?
...nstead of executing them. For example, LINQ to SQL gets the expression and converts it to the equivalent SQL statement and submits it to server (rather than executing the lambda).
Conceptually, Expression<Func<T>> is completely different from Func<T>. Func<T> denotes a deleg...
Disable Enable Trigger SQL server for a table
... the Triggers.
select 'alter table '+ (select Schema_name(schema_id) from sys.objects o
where o.object_id = parent_id) + '.'+object_name(parent_id) + ' ENABLE TRIGGER '+
Name as EnableScript,*
from sys.triggers t
where is_disabled = 1
...
Read stream twice
...ou can't you'll have to open a stream again.
Another solution would be to convert InputStream to byte array, then iterate over the array as many time as you need. You can find several solutions in this post Convert InputStream to byte array in Java using 3rd party libs or not. Caution, if the read ...
How to get correct timestamp in C#
...
@DanielV see here: Converting a String to DateTime.
– ekad
Jun 15 '17 at 22:26
...
Http长连接200万尝试及调优 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ummary: Dell R710, 2 x Xeon E5520 2.27GHz, 23.5GB / 24GB 1333MHz
System: Dell PowerEdge R710 (Dell 0VWN1R)
Processors: 2 x Xeon E5520 2.27GHz 5860MHz FSB (16 cores)
Memory: 23.5GB / 24GB 1333MHz == 6 x 4GB, 12 x empty
Disk-Control: megaraid_sas0: Dell/LSILogi...
How to calculate “time ago” in Java?
... You need to decrease from each time unit that next bigger time unit(after converting it to the lower time unit) in order to be able to use it in a "time ago" string.
– Nativ
May 22 '16 at 17:59
...
Finding the source code for built-in Python functions?
...t file a particular module or function is implemented in you can usually print the __file__ attribute. Alternatively, you may use the inspect module, see the section Retrieving Source Code in the documentation of inspect.
For built-in classes and methods this is not so straightforward since inspect...
How do I get a plist as a Dictionary in Swift?
...plistXML = FileManager.default.contents(atPath: plistPath!)!
do {//convert the data to a dictionary and handle errors.
plistData = try PropertyListSerialization.propertyList(from: plistXML, options: .mutableContainersAndLeaves, format: &propertyListFormat) as! [String:AnyObje...
How exactly does tail recursion work?
...
@Mr.32 I don't understand your question. I converted the function into an equivalent one but without explicit recursion (that is, without explicit function calls). If you change the logic into something non-equivalent, you may indeed make the function loop forever in ...