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Exploitable PHP functions
...y());
List of functions which accept callbacks
These functions accept a string parameter which could be used to call a function of the attacker's choice. Depending on the function the attacker may or may not have the ability to pass a parameter. In that case an Information Disclosure function l...
How do HashTables deal with collisions?
...ts/changes of HashMap
objects in case of high collisions.
The alternative String hash function added in Java 7 has been removed.
Buckets containing a large number of colliding keys will store their entries in a balanced tree instead of a linked list after
certain threshold is reached.
Above chan...
Insert a line break in mailto body
... Additional note: If you're constructing the link with ES6/ES2015 string templates the raw code (%0D%0A) works just fine.
– Adam Simpson
Apr 18 '16 at 16:00
...
Microsoft Roslyn vs. CodeDom
...uch finer control of the whole process - for example you could analyse the string and even generate additional code (on-the-fly within the compile process based on the analysis), etc.
CodeDom is "just using the compiler" while Roslyn is "compiler as a service with full access to (sub-) parts"... wi...
Best practices for in-app database migration for Sqlite
...use prepared statements
sqlite3_exec([self database].sqliteHandle, [[NSString stringWithFormat:@"PRAGMA user_version = %d", DatabaseSchemaVersionLatest] UTF8String], NULL, NULL, NULL);
}
Here's [self database] method that lazily opens the database:
- (FMDatabase *)database {
if (!_databas...
How to determine if a list of polygon points are in clockwise order?
...worked perfectly for my use. Note that if you can plan ahead and spare and extra two vectors in your array, you can get rid of the comparison (or %) by adding the first vector at the tail of the array. That way you simply loop over all the elements, except the last one (length-2 instead of length-1)...
What is the advantage of using Restangular over ngResource?
...in a PUT request for example, just in the url. Generally they don't expect extra data fields that can not be updated by PUT (like the id, or a slug which is generated by setting the title etc). I found this to be straightforward with Restangular while i haven't figured out how to do it with $resourc...
Javascript callback when IFRAME is finished loading?
...cript">
function on_load(iframe) {
try {
// Displays the first 50 chars in the innerHTML of the
// body of the page that the iframe is showing.
// EDIT 2012-04-17: for wider support, fallback to contentWindow.document
var doc = iframe.contentDocument || iframe.contentWindow.docu...
When should we implement Serializable interface?
...g JSON you don't have to implement this interface and can simply send that string.. so Im still not sure why to use this interface when you can use JSON.
– Yonatan Nir
Aug 29 '16 at 7:21
...
What does the “__block” keyword mean?
...c NSInteger CounterStatic;
{
NSInteger localCounter = 42;
__block char localCharacter;
void (^aBlock)(void) = ^(void) {
++CounterGlobal;
++CounterStatic;
CounterGlobal = localCounter; // localCounter fixed at block creation
localCharacter = 'a'; // sets ...