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How was the first compiler written?
...mes. So yeah, you can hand-assemble just fine. It's slow and painful and error-prone (which is why we automated things) but it's possible.
– JUST MY correct OPINION
Apr 22 '10 at 11:09
...
How to validate an Email in PHP?
... ask again
and again for same data, use some logic to correct some basic error in data.
Before validation of Email: First you have to remove all illegal characters from email.
//This will Remove all illegal characters from email
$email = filter_var($email, FILTER_SANITIZE_EMAIL);
after that v...
Is there a difference between “throw” and “throw ex”?
...
Yes, there is a difference;
throw ex resets the stack trace (so your errors would appear to originate from HandleException)
throw doesn't - the original offender would be preserved.
static void Main(string[] args)
{
try
{
Method2();
}
catch (Exception ex)
{
...
Android Fragments and animation
...eat but it turns out that building this with build tools 21.1 generates an error saying "Invalid file name: must contain only lowercase letters and digits ([a-z0-9_.])". I suggest editing the filenames in the answer to pop_enter.xml and pop_exit.xml.
– smichak
...
keep rsync from removing unfinished source files
...ile to be open by process A and process B can unlink the file. There's no error, but of course A is wasting its time. Therefore, the fact that rsync deletes the source file is not a problem.
The problem is rsync deletes the source file only after it's copied, and if it's still being written to di...
Is it alright to use target=“_blank” in HTML5?
...ways bring up the pop-up alert in most browsers. XHTML will always show an error with the target attribute in a validate.
HTML 5 brought it back because we still use it. It's our friend and we can't let go.
Never let go.
...
MySQL join with where clause
...
If I'm still getting the same error using this code, what do I look for next.
– Jack Franzen
Jun 11 '15 at 9:56
add a comment
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Immutable class?
...resource to look at. The benefits that are mentioned range right from less error prone code to thread safety.
– gpampara
Jul 2 '10 at 5:37
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Numpy where function multiple conditions
...4,5,14,2,4,3,7])
np.where((ar>3) and (ar<6), 'yo', ar)
Output:
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()
When we use Ampersand(&):
ar = np.array([3,4,5,14,2,4,3,7])
np.where((ar>3) & (ar<6), 'yo', ar)
Output:
arra...
Single Page Application: advantages and disadvantages [closed]
...l), then the number of requests to the server (read "possibilities for 503 errors that wreck your user experience") is dramatically reduced. In fact, a SPA makes it possible to do entirely offline processing, which is huge in some situations.
Performance is certainly better with client-side renderin...