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Is it safe to ignore the possibility of SHA collisions in practice?
...ers (some tiny embedded microcomputers that are almost everywhere nowadays included). In such case you need to multiply the estimate you've got by the largest possible number of copies.
share
|
impr...
Regex: match everything but specific pattern
...in PCRE/Boost/.NET/Python/Java and /m in Ruby) for the . to match any char including a newline.
Backslash note: In languages where you have to declare patterns with C strings allowing escape sequences (like \n for a newline), you need to double the backslashes escaping special characters so that the...
How to convert SecureString to System.String?
...st method).
Example usage for both can be found in the StringsTest class included.
Strings.cs
using System;
using System.Runtime.InteropServices;
using System.Security;
namespace SecurityUtils
{
public partial class Strings
{
/// <summary>
/// Passes decrypted pass...
MySQL stored procedure vs function, which would I use when?
...
One significant difference is that you can include a function in your SQL queries, but stored procedures can only be invoked with the CALL statement:
UDF Example:
CREATE FUNCTION hello (s CHAR(20))
RETURNS CHAR(50) DETERMINISTIC
RETURN CONCAT('Hello, ',s,'!');...
Difference between ActionBarSherlock and ActionBar Compatibility
...ition it has extra features not present in the ActionBar Compat code. This includes features like, but not limited to
setNavigationMode (for Tabs and spinners in the action bar)
Dialog Fragments
Contextual Action Bar (CAB) a menu that takes over the action bar, used for example for multi select (...
How to disassemble one single function using objdump?
...utput:
gdb -batch -ex "disassemble/rs $FUNCTION" "$EXECUTABLE"
main.c
#include <assert.h>
int myfunc(int i) {
i = i + 2;
i = i * 2;
return i;
}
int main(void) {
assert(myfunc(1) == 6);
assert(myfunc(2) == 8);
return 0;
}
Compile and disassemble
gcc -O0 -ggdb3 -...
Why switch is faster than if
...et the pointer to NULL, C++ will not do this automatically like in Java.
#include <iostream>
struct Packet
{
void(*execute)() = NULL;
};
Packet incoming_packet[255];
uint8_t test_value = 0;
void A()
{
std::cout << "I'm the 1st test.\n";
}
void B()
{
std::cout <<...
What is the correct way to check for string equality in JavaScript?
...make proper use of them and avoid the pitfalls.
The "Up & Going" book includes a section on Equality, with this specific summary of when to use the loose (==) vs strict (===) operators:
To boil down a whole lot of details to a few simple takeaways, and help you know whether to use == or ===...
Android - set TextView TextStyle programmatically?
...g. It does the common ones (size, color, style), but doesn't apply others (including padding, background, gravity, etc)
– karl
Mar 6 '14 at 0:31
...
how do you push only some of your local git commits?
...tached HEAD (you're not on any branch) and then you push all the branches, including the local master (which is still where it was) to the remote master.
The manual solution is:
git push origin HEAD:master
If you find the default behaviour of pushing all branches confusing (and dangerous!), add...