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How to make a flat list out of list of lists?
...ps getting longer, at each step a new intermediate result list object gets allocated, and all the items in the previous intermediate result must be copied over (as well as a few new ones added at the end). So, for simplicity and without actual loss of generality, say you have L sublists of I items e...
Database development mistakes made by application developers [closed]
...e NOT NULL and FOREIGN KEY if I’ll always control my database input with php?
Are foreign keys really necessary in a database design?
Are foreign keys really necessary in a database design?
3. Using natural rather than surrogate (technical) primary keys
Natural keys are keys based on externally...
How do you make sure email you send programmatically is not automatically marked as spam?
...
brandonchecketts.com/emailtest.php you can test if your mail server setup conforms to DomainKeys, DKIM, SPF and other anti-spam methods.
– Jonas
Jun 9 '10 at 7:02
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Eclipse: How do you change the highlight color of the currently selected method/expression?
...d "Wrte" occurrences. Here's a screenshot of how it looks when editing for PHP: i.imgur.com/3H1GfYO.png
– Coreus
May 7 '16 at 14:29
1
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How can a string be initialized using “ ”?
...age for strings with the same contents to conserve storage. String objects allocated via new operator are stored in the heap, and there is no sharing of storage for the same contents.
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performing HTTP requests with cURL (using PROXY)
... when I run this command: curl -x, --proxy 122.72.2.200:80 mysite.com/test.php?id=1
– user873286
Feb 27 '12 at 22:52
63
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Default implementation for Object.GetHashCode()
...mber defined in System.ValueType or System.Enum types [may] cause a boxing allocation [...]
An implementer of a hash function faces a dilemma: make a good distribution of the hash function or to make it fast. In some cases, it's possible to achieve them both, but it is hard to do this generically in...
Difference between the Apache HTTP Server and Apache Tomcat? [closed]
...r. A servlet, at the end, is a Java class. JSP files (which are similar to PHP, and older ASP files) are generated into Java code (HttpServlet), which is then compiled to .class files by the server and executed by the Java virtual machine.
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smart pointers (boost) explained
...neither transferable nor sharable. It's just usable if you locally need to allocate memory, but be sure it's freed again when it goes out of scope. But it can still be swapped with another scoped_ptr, if you wish to do so.
shared_ptr is a smart pointer that shares ownership (third kind above). It ...
Can we instantiate an abstract class?
...that here: -
Whenever a new class instance is created, memory space is allocated
for it with room for all the instance variables declared in the class
type and all the instance variables declared in each superclass of the
class type, including all the instance variables that may be hidden....