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Stack vs heap allocation of structs in Go, and how they relate to garbage collection
...nction call, the function value and arguments are evaluated in
the usual order. After they are evaluated, the parameters of the call
are passed by value to the function and the called function begins
execution. The return parameters of the function are passed by value
back to the calling fun...
Is SHA-1 secure for password storage?
...ffline attack is an attack where the attacker has all the data he needs in order to "test" passwords; e.g. the attacker could get a copy of the database holding the hashed passwords. In an offline attack, the attacker is limited only by his computational resources. Conversely, an online attack is an...
“Add as Link” for folders in Visual Studio projects
...ata. The 'A' in the code above can be called anything but must be there in order for the folder to appear.
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Convert Django Model object to dict with all of the fields intact
...solution was gorgeous!
I would add, though, a condition for datefields in order to make it JSON friendly.
Bonus Round
If you want a django model that has a better python command-line display, have your models child class the following:
from django.db import models
from django.db.models.fields.re...
What are the use cases for selecting CHAR over VARCHAR in SQL?
...omerNumber on a demographic table, or CodeID on a decode table, or perhaps OrderNumber on an order table. By using char, the query engine can more quickly perform the join because it can do straight pointer arithmetic (deterministically) rather than having to move it's pointers a variable amount of...
ValidateRequest=“false” doesn't work in Asp.Net 4
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How do I associate file types with an iPhone application?
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Combining C++ and C - how does #ifdef __cplusplus work?
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It's about the ABI, in order to let both C and C++ application use C interfaces without any issue.
Since C language is very easy, code generation was stable for many years for different compilers, such as GCC, Borland C\C++, MSVC etc.
While C++ ...
Haskell: Lists, Arrays, Vectors, Sequences
...de has aliased as String. Char lists are convient, but tend to run on the order of 20 times slower than C strings, so feel free to use Data.Text or the very fast Data.ByteString. I'm sure there are other sequence oriented libraries I'm not thinking of right now.
Conclusion
90+% of the time I ne...
How to tell if JRE or JDK is installed
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@maciej-cygan described the process well, however in order to find your java path:
$ which java
it gives you the path of java binary file which is a linked file in /usr/bin directory. next:
$ cd /usr/bin/ && ls -la | grep java
find the pointed location which is some...