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Finding out whether a string is numeric or not
...will return you an NSNumber.
NSNumberFormatter *nf = [[[NSNumberFormatter alloc] init] autorelease];
BOOL isDecimal = [nf numberFromString:newString] != nil;
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How to convert std::string to LPCSTR?
...rong. Perhaps, check GetLastError() and log.
return;
}
// Allocate new LPWSTR - must deallocate it later
LPWSTR widestr = new WCHAR[bufferlen + 1];
::MultiByteToWideChar(CP_ACP, 0, instr.c_str(), instr.size(), widestr, bufferlen);
// Ensure wide string is null terminat...
How to present popover properly in iOS 8
..."PopoverView"];
UINavigationController *nav = [[UINavigationController alloc]initWithRootViewController:controller];
nav.modalPresentationStyle = UIModalPresentationPopover;
UIPopoverPresentationController *popover = nav.popoverPresentationController;
controller.preferredContentSize ...
How do I show multiple recaptchas on a single page?
...captcha. My first form's recaptcha div:
<div id="myrecap">
<?php
require_once('recaptchalib.php');
$publickey = "XXXXXXXXXXX-XXXXXXXXXXX";
echo recaptcha_get_html($publickey);
?>
</div>
The second form's div is empty (different ID). So mine is jus...
Good examples using java.util.logging [closed]
...hat GC will have to keep up with. Object[] as above is cheap, on the stack allocation usually.
With exception handling, always log the complete exception details:
try {
...something that can throw an ignorable exception
} catch( Exception ex ) {
LOGGER.log( Level.SEVERE, ex.toString(), e...
What generates the “text file busy” message in Unix?
...
If trying to build phpredis on a Linux box you might need to give it time to complete modifying the file permissions, with a sleep command, before running the file:
chmod a+x /usr/bin/php/scripts/phpize \
&& sleep 1 \
&& /u...
Displaying a message in iOS which has the same functionality as Toast in Android
...SString *message = @"Some message...";
UIAlertView *toast = [[UIAlertView alloc] initWithTitle:nil
message:message
delegate:nil
cancelButtonTitle:nil
...
How can I create a “Please Wait, Loading…” animation using jQuery?
...('#form').submit(function() {
$('#wait').show();
$.post('/whatever.php', function() {
$('#wait').hide();
});
return false;
});
B) Use ajaxStart and ajaxComplete:
$('#wait').ajaxStart(function() {
$(this).show();
}).ajaxComplete(function() {
$(this).hide();
});
Us...
Safely casting long to int in Java
...
Well, it's allocating and throwing away a BigDecimal just to get at what should be a utility method, so yeah, that's not the best process.
– Riking
Apr 23 '14 at 20:28
...
Eclipse interface icons very small on high resolution screen in Windows 8.1
...lved in Eclipse 4.6 Neon https://www.eclipse.org/downloads/index-developer.php (the current developer version).
The icons look a bit sad (low resolution) but at least they are scaled correctly on my 4k screen.
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