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String length in bytes in JavaScript
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If you only need the length, it might be overkill to allocate a new string, do the actual conversion, take the length, and then discard the string. See my answer above for a function that just computes the length in an efficient manner.
– lovasoa
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Why does Google prepend while(1); to their JSON responses?
... Why doesn't the request to obtain this data require a CSRF-token instead?
– Jakub P.
Feb 3 '13 at 1:43
237
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Segmentation fault on large array sizes
...The array is too big to fit in your program's stack address space.
If you allocate the array on the heap you should be fine, assuming your machine has enough memory.
int* array = new int[1000000];
But remember that this will require you to delete[] the array. A better solution would be to use st...
How is malloc() implemented internally? [duplicate]
Can anyone explain how malloc() works internally?
3 Answers
3
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What is the __DynamicallyInvokable attribute for?
...lways a MethodDef and the type a TypeDef.
// We cache this ctor MethodDef token for faster custom attribute lookup.
// If this attribute type doesn't exist in the assembly, it means the assembly
// doesn't contain any blessed APIs.
Type invocableAttribute = GetType("__DynamicallyInvokableAttribu...
SVN needs-lock 设置强制只读属性（官方资料） - 环境配置 - 清泛IT论坛，...
...EMP=c:\temp
if exist %TEMP%\tempfile%2 del %TEMP%\tempfile%2
for /f "tokens=1,2 usebackq" %%i in (`%SVNLOOK% changed -t %2 %1`) do @if %%i==A @echo %%j >> %TEMP%\tempfile%2
if not exist %TEMP%\tempfile%2 goto NOFILESADDED
for /f "usebackq" %%i in (`findstr /E /I /R "...
What is the difference between localStorage, sessionStorage, session and cookies?
...specially important with authentication cookies, which are used to store a token containing details of the user who is logged on - if you have a copy of that cookie then for all intents and purposes you become that user as far as the web application is concerned, and have the same access to data and...
How do malloc() and free() work?
I want to know how malloc and free work.
13 Answers
13
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Free space in a CMD shell
...o put the free space into a variable one could use the following: @FOR /F "tokens=2 delims==" %%S IN ('wmic /NODE:"%COMPUTERNAME%" LogicalDisk Where ^(DriveType^="3" and DeviceID^="%some_folder:~0,2%"^) Get FreeSpace /VALUE') DO @SET freespace=%%S
– Davor Josipovic
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Xcode without Storyboard and ARC
...gWithOptions: (NSDictionary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
// Override point for customization after application launch.
TestViewController *test = [[TestViewController alloc] initWithNibName:@"TestViewController" bundle...