大约有 40,000 项符合查询结果（耗时：0.0735秒） [XML]
Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
...re using as a number, was actually numeric. In PHP you should widely use a set of functions to check that inputs are integers, floats, alphanumeric etc. But when it comes to SQL, heed most the value of the prepared statement. The above code would have been secure if it was a prepared statement as ...
Transitions with GStreamer Editing Services freezes, but works OK without transitions
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Simple state machine example in C#?
...e> transitions;
public ProcessState CurrentState { get; private set; }
public Process()
{
CurrentState = ProcessState.Inactive;
transitions = new Dictionary<StateTransition, ProcessState>
{
{ new StateTransition(Pr...
How can I create a temp file with a specific extension with .NET?
...so predictable which means given enough information I could guess the next set of guids generated by your box
– JaredPar
Feb 24 '09 at 12:57
214
...
What is the difference between Factory and Strategy patterns?
...of a specific type. A strategy pattern is use to perform an operation (or set of operations) in a particular manner. In the classic example, a factory might create different types of Animals: Dog, Cat, Tiger, while a strategy pattern would perform particular actions, for example, Move; using Run, W...
How to download a branch with git?
...ckout -t origin/branch-name
The latter will create a branch that is also set to track the remote branch.
Update: It's been 5 years since I originally posted this question. I've learned a lot and git has improved since then. My usual workflow is a little different now.
If I want to fetch the re...
Parse v. TryParse
... undesirable, however, the code does not stop unless Debug's exception are settled for stop with it.
share
|
improve this answer
|
follow
|
...
Determine the data types of a data frame's columns
...tart is to use ?str(). To explore some examples, let's make some data:
set.seed(3221) # this makes the example exactly reproducible
my.data <- data.frame(y=rnorm(5),
x1=c(1:5),
x2=c(TRUE, TRUE, FALSE, FALSE, FALSE),
X3=lette...
What does (x ^ 0x1) != 0 mean?
...mally it's to do with clearing a register (at least on 386+). xor eax, eax sets eax to zero in two bytes, but mov eax, 0 takes three or six bytes (depending on the encoding), and takes slightly longer to decode than the xor form.
– Matt
Dec 20 '13 at 11:02
...
“used as value” in function call
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...