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SQL injection that gets around mysql_real_escape_string()
...et_charset() / $mysqli->set_charset() / PDO's DSN charset parameter (in PHP ≥ 5.3.6)
OR
Don't use a vulnerable character set for connection encoding (you only use utf8 / latin1 / ascii / etc)
You're 100% safe.
Otherwise, you're vulnerable even though you're using mysql_real_escape_string().....
How can I delay a method call for 1 second?
...
You could also use a block
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 1 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
[object method];
});
Most of time you will want to use dispatch_get_main_queue, although if there is no UI in the ...
When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
...y writes) past
the end (or start) of an allocated block.
0xFD or Buffer slack Used to fill slack space in some memory buffers
0xFE (unused parts of `std::string` or the user buffer
passed to `fread()`). 0xFD is used in VS 2...
What is your most productive shortcut with Vim?
...g source code, very often want to work on whole lines, ranges of lines and blocks of code. However, yy is only one of many way to yank text into the anonymous copy buffer (or "register" as it's called in vi).
The "Zen" of vi is that you're speaking a language. The initial y is a verb. The stateme...
Clang optimization levels
...-domtree -mem2reg -deadargelim -basicaa -aa -loops -lazy-branch-prob -lazy-block-freq -opt-remark-emitter -instcombine -simplifycfg -basiccg -globals-aa -prune-eh -always-inline -functionattrs -sroa -memoryssa -early-cse-memssa -speculative-execution -lazy-value-info -jump-threading -correlated-prop...
No Swipe Back when hiding Navigation Bar in UINavigationController
... Breaking the delegate was causing a rare and hard to identify main thread block. Turns out its not a main thread block but its what @HorseT described.
– Josh Bernfeld
Aug 7 '15 at 10:03
...
What are important languages to learn to understand different approaches and concepts? [closed]
...
I currently program Clojure, Python, Java and PHP [...] What are languages that take a different approach and would be useful for either practical tool choosing or theoretical understanding?
C
There's a lot of C code lying around---it's definitely practical. If you l...
What's the difference between => , ()=>, and Unit=>
...println("Hi!") }
would be a literal for => Unit. It is not. That is a block of code, not a literal.
Another source of confusion is that Unit type's value is written (), which looks like a 0-arity parameter list (but it is not).
...
To ARC or not to ARC? What are the pros and cons? [closed]
... pointers to id (which you continue to need to perform KVO correctly). And blocks... well, block memory management is just weird.
So my point is that the underlying memory management is still important, but where I used to spend significant time stating and restating the rules for new programmers, ...
How to send JSON instead of a query string with $.ajax?
... @shorif2000 better late than never... the problem is that in $_POST in php you can only see application/x-www-form-urlencoded, if you want to read json data you must do file_get_contents("php://input") and perhaps then a json_decode()
– santiago arizti
Nov ...