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File to byte[] in Java
...
Basically you have to read it in memory. Open the file, allocate the array, and read the contents from the file into the array.
The simplest way is something similar to this:
public byte[] read(File file) throws IOException, FileTooBigException {
if (file.length() > MAX...
Elevating process privilege programmatically?
...o elevate the state.
WindowsIdentity identity = new WindowsIdentity(accessToken);
WindowsImpersonationContext context = identity.Impersonate();
Don't forget to undo the impersonated context when you are done.
share
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Deleting a file in VBA
... has much more work to do. Additionally, avoid using "" in VB as it always allocates a new string. Use vbNullString instead as it is a constant and does not uses more memory.
– Renaud Bompuis
Nov 12 '14 at 2:25
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Python: Is it bad form to raise exceptions within __init__?
...n't been properly initialized. Actually it's a very common idiom in C++ to allocate resources in the constructor and deallocate them in the destructor. You suggest that the member object destroys itself (deallocating the resources in its destructor) - then the same issue arises when writing the memb...
How to deny access to a file in .htaccess
...ss file in the root of a virtual server (apache 2.4):
<Files "reminder.php">
require all denied
require host localhost
require ip 127.0.0.1
require ip xxx.yyy.zzz.aaa
</Files>
This prevents external access to reminder.php which is in a subdirectory.
I have a similar .htaccess file on ...
Do try/catch blocks hurt performance when exceptions are not thrown?
...t; values can be discarded less aggressively -> less efficient register allocation)
– Daniel
Aug 2 '19 at 13:02
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Array to Hash Ruby
... @Kevin, the stack uses a small area of memory that the program allocates and reserves for certain specific operations. Most commonly, it is used to keep a stack of the methods that have been called so far. This is the origin of the term stack trace, and this is also why an infinitely rec...
Objective-C for Windows
...h>
int main(void)
{
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
NSLog(@"Hello World!.");
[pool drain];
return;
}
Go back to the command prompt and cd to where you saved the "Hello World" program and then compile it:2
gcc -o helloworld.exe <HELLOWORLD>.m -I /...
Tuples( or arrays ) as Dictionary keys in C#
...s are value types (structs), not reference types, so they avoid the memory allocation and garbage collection costs. Also, they offer conciser and more intuitive syntax, allowing for their fields to be named if you so wish. They also implement the IEquatable<T> interface needed for the dictiona...
What to do Regular expression pattern doesn't match anywhere in string?
... question. And is parsing the proper term here? Afaics the regex are doing tokenizing/lexical analysis, but the final parsing done with Perl code, not the regex themselves.
– Qtax
Dec 27 '11 at 15:02
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