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How to allocate aligned memory only using the standard library?
...
Original answer
{
void *mem = malloc(1024+16);
void *ptr = ((char *)mem+16) & ~ 0x0F;
memset_16aligned(ptr, 0, 1024);
free(mem);
}
Fixed answer
{
void *mem = malloc(1024+15);
void *ptr = ((uintptr_t)mem+15) & ~ (uintptr_t)0x0...
How can a time function exist in functional programming?
...actions. This type means: An action of type IO is a function, that takes a token of type RealWorld and returns a new token, together with a result.
The idea behind this is that each IO action mutates the outside state, represented by the magical token RealWorld. Using monads, one can chain multiple...
Base64 Java encode and decode a string [duplicate]
...ng and decoding of Base64.
Ex.
public static String base64Encode(String token) {
byte[] encodedBytes = Base64.encode(token.getBytes());
return new String(encodedBytes, Charset.forName("UTF-8"));
}
public static String base64Decode(String token) {
byte[] decodedBytes = Base64.decode(...
Oracle 11.2.0.4 RAC FOR redhat 6.4 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...成修改语句:
Sql代码
1.select 'alter table '||table_name||' allocate extent;' from user_tables where num_rows=0
然后就在结果窗口里面生成了下面那些东西:
Sql代码
1.alter table E2USER_STATE allocate extent;
2.alter table ENTERPRISE_E2USER allocat...
What characters are allowed in DOM IDs? [duplicate]
... a name to an element. This name must be unique in a document.
ID and NAME tokens must begin with a
letter ([A-Za-z]) and may be followed
by any number of letters, digits
([0-9]), hyphens ("-"), underscores
("_"), colons (":"), and periods
(".").
Source: HTML 4 Specification, Chapter 6, ID Token
...
ASP.NET Web API OperationCanceledException when browser cancels the request
...a top-level message handler that removes the content when the cancellation token fires. If the response has no content, the bug shouldn't be triggered. There's still a small possibility it could happen, because the client could disconnect right after the message handler checks the cancellation token...
Task vs Thread differences [duplicate]
...u should support
cancel event in your "business code" periodically testing token.IsCancellationRequested flag (also avoid long or timeoutless connections e.g. to db, otherwise you will never get a chance to test this flag). By the similar reason Thread.Sleep(delay) call should be replaced with Task...
Generating Random Passwords
...will hold password characters.
char[] password = null;
// Allocate appropriate memory for the pas
how to get GET and POST variables with JQuery?
...arams(qs) {
qs = qs.split("+").join(" ");
var params = {},
tokens,
re = /[?&]?([^=]+)=([^&]*)/g;
while (tokens = re.exec(qs)) {
params[decodeURIComponent(tokens[1])]
= decodeURIComponent(tokens[2]);
}
return params;
}
var $_GET = get...
How does delete[] “know” the size of the operand array?
...
When you allocate memory on the heap, your allocator will keep track of how much memory you have allocated. This is usually stored in a "head" segment just before the memory that you get allocated. That way when it's time to free the ...
