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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
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My guess is that it's used to check if you forget to terminate your strings properly too (since those 0xCD's or 0xDD's are printed).
– strager
Dec 16 '08 at 0:59
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Is there any way to put malicious code into a regular expression?
I want to add regular expression search capability to my public web page. Other than HTML encoding the output, do I need to do anything to guard against malicious user input?
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Why would iterating over a List be faster than indexing through it?
...s Linked, yes it holds true. Using LinkedS structures, however, is a small mystery. They almost always perform far worse than array backed ones (extra memory footprint, gc-unfriendly and terrible locality). Standard list in C# is array backed.
– bestsss
May 8 '...
How to check which locks are held on a table
...atabase_id = DB_ID()
AND ES.session_id <> @@Spid -- Exclude "my" session
-- optional filter
AND TL.request_mode <> 'S' -- Exclude simple shared locks
ORDER BY TL.resource_type
,TL.request_mode
,TL.request_type
,TL.request_status
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Is Ruby pass by reference or by value?
...sing the traditional computer science definition. Of course, it is none of my business to tell you how to use words — I just think it's important to explain what the term normally means. In traditional terminology, Ruby is pass-by-value, but the values themselves are references. I totally understa...
Choice between vector::resize() and vector::reserve()
I am pre-allocating some memory to my a vector member variable. Below code is minimal part
4 Answers
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how do I initialize a float to its max/min value?
...want the smallest non zero value (in an unsigned integer case for example, my data tends to have a lot of uninteresting zeros). It just seems to make sense to me to initialize it rather than preform extra checks to ensure the first element is not zero.
– Faken
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START_STICKY and START_NOT_STICKY
...ed only once and come out of it. I gone thru the sample u pointed out, but my doubt is how many times onStartCommand() will be executed. if I retrutn START_STICKY and still try to re-create the service, will the service executes onStartCommand then ??
– prago
F...
What is the exact meaning of Git Bash?
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@DRAJI do you mean my answer didn't cover what you wanted to know?
– VonC
Jul 24 '13 at 5:26
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Does Haskell require a garbage collector?
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I really like this answer, although my only confusion is with the first example. Obviously if the user never typed "clear" then it could use infinite memory (without a GC), but that's not exactly a leak as the memory is still being tracked.
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