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Facebook API - How do I get a Facebook user's profile image through the Facebook API (without requir
...ook.
NOTE: In case of images marked as "18+" you will need a valid access_token from a 18+ user:
<img src="//graph.facebook.com/{{fid}}/picture?access_token={{access_token}}">
UPDATE 2015:
Graph API v2.0 can't be queried using usernames, you should use userId always.
...
What kind of Garbage Collection does Go use?
...op-the-world
bitmap-based representation
zero-cost when the program is not allocating memory (that is: shuffling pointers around is as fast as in C, although in practice this runs somewhat slower than C because the Go compiler is not as advanced as C compilers such as GCC)
supports finalizers on obj...
Understanding reference counting with Cocoa and Objective-C
...view to playing with the iPhone SDK. I'm reasonably comfortable with C's malloc and free concept, but Cocoa's references counting scheme has me rather confused. I'm told it's very elegant once you understand it, but I'm just not over the hump yet.
...
What's the best way to put a c-struct in an NSArray?
... Will NSValue automatically free the memory of the struct when it is deallocated? The documentation is a little unclear on this.
– devios1
May 28 '15 at 23:08
1
...
Batch file to delete files older than N days
...[1]: Year-Month-Day
:epoch
setlocal ENABLEDELAYEDEXPANSION
for /f "tokens=1,2,3 delims=-" %%d in ('echo %1') do set Years=%%d& set Months=%%e& set Days=%%f
if "!Months:~0,1!"=="0" set Months=!Months:~1,1!
if "!Days:~0,1!"=="0" set Days=!Days:~1,1!
set /a Days=Days*day
...
How to create empty text file from a batch file?
...ilename.ext)2>NUL
idea via: copyitright
A single newline (2 bytes: 0x0D 0x0A in hex notation, alternatively written as \r\n):
echo.>AlmostEmptyFile.txt
Note: no space between echo, . and >.
idea via: How can you echo a newline in batch files?
edit It seems that any invalid command...
How do I iterate over an NSArray?
...ion, without having to worry about the bureaucracy of memory management, reallocation etc. Of course this does come at a cost though. I think it's pretty obvious that say using an NSArray of NSNumbers is going to be slower than a C Array of floats for simple iterations, so I decided to do some tests...
SEH stack 结构探索（1）--- 从 SEH 链的最底层（线程第1个SEH结构）说起 -...
... (772e9cdf)
772e9d0a ff750c push dword ptr [ebp+0Ch]
772e9d0d ff7508 push dword ptr [ebp+8]
772e9d10 e806000000 call ntdll32!__RtlUserThreadStart (772e9d1b)
772e9d15 cc int 3
772e9d16 90 nop
772e9d17 90 nop
772e...
Is it safe to delete a void pointer?
...sually work because information is stored along with the pointer about the allocation itself, so the deallocator can return it to the right place. In this sense it is "safe" as long as your allocator uses internal boundary tags. (Many do.)
However, as mentioned in other answers, deleting a void ...
How do I integrate Ajax with Django applications?
...awareness. Finally, remember that post requests in Django require the csrf_token. With AJAX calls, a lot of times you'd like to send data without refreshing the page. You'll probably face some trouble before you'd finally remember that - wait, you forgot to send the csrf_token. This is a known begin...