大约有 46,000 项符合查询结果（耗时：0.0418秒） [XML]
How does password salt help against a rainbow table attack?
...'m having some trouble understanding the purpose of a salt to a password. It's my understanding that the primary use is to hamper a rainbow table attack. However, the methods I've seen to implement this don't seem to really make the problem harder.
...
javax vs java package
...
I think it's a historical thing - if a package is introduced as an addition to an existing JRE, it comes in as javax. If it's first introduced as part of a JRE (like NIO was, I believe) then it comes in as java. Not sure why the new ...
Why do we need virtual functions in C++?
...t."
So far so good, right? Animals eat generic food, cats eat rats, all without virtual.
Let's change it a little now so that eat() is called via an intermediate function (a trivial function just for this example):
// This can go at the top of the main.cpp file
void func(Animal *xyz) { xyz->e...
What tools are there for functional programming in C?
...ed functions to simulate lambda expressions, in fact, I have a macro to do it for me:
#define lambda(return_type, function_body) \
({ \
return_type anon_func_name_ function_body \
anon_func_name_; \
})
Use like this:
int (*max)(int, int) = lambda (int, (int x, int y) { return x > ...
Handlebars.js Else If
...side view rendering. If Else works great but I've encountered a 3 way conditional that requires ELSE IF:
8 Answers
...
Invoke(Delegate)
Can anybody please explain this statement written on this link
9 Answers
9
...
Format timedelta to string
...
You can just convert the timedelta to a string with str(). Here's an example:
import datetime
start = datetime.datetime(2009,2,10,14,00)
end = datetime.datetime(2009,2,10,16,00)
delta = end-start
print(str(delta))
# prints 2:00:00
...
Perform .join on value in array of objects
... array of strings, I can use the .join() method to get a single string, with each element separated by commas, like so:
1...
How to set versionName in APK filename using gradle?
... 13
targetSdkVersion 21
versionCode 14 // increment with every release
versionName '1.4.8' // change with every release
setProperty("archivesBaseName", "MyCompany-MyAppName-$versionName")
}
}
The above solution has been tested with the following Android G...
How to create a Menubar application for Mac
EDIT: This is a nice ready-made menubar application here ( github source ) by this answer .
6 Answers
...