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Animate text change in UILabel
...t the license stuff. What prevents people from using it in commercial apps now?
– Esqarrouth
Jun 5 '15 at 5:44
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Why aren't variables declared in “try” in scope in “catch” or “finally”?
...u be sure, that you reached the declaration part in your catch block? What if the instantiation throws the exception?
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Macro vs Function in C
...le with control-flow constructs:
#define swap(x, y) t = x; x = y; y = t;
if (x < y) swap(x, y); -->
if (x < y) t = x; x = y; y = t; --> if (x < y) { t = x; } x = y; y = t;
The usual strategy for fixing this is to put the statements inside a "do { ... } while (0)" loop.
If you hav...
If table exists drop table then create it, if it does not exist just create it
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Just put DROP TABLE IF EXISTS `tablename`; before your CREATE TABLE statement.
That statement drops the table if it exists but will not throw an error if it does not.
s...
Finding current executable's path without /proc/self/exe
...t seems to me that Linux has it easy with /proc/self/exe. But I'd like to know if there is a convenient way to find the current application's directory in C/C++ with cross-platform interfaces. I've seen some projects mucking around with argv[0], but it doesn't seem entirely reliable.
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How to provide user name and password when connecting to a network share
...efer the latter, as I sometimes need to maintain multiple credentials for different locations. I wrap it into an IDisposable and call WNetCancelConnection2 to remove the creds afterwards (avoiding the multiple usernames error):
using (new NetworkConnection(@"\\server\read", readCredentials))
using ...
Error: Could not find or load main class in intelliJ IDE
...and then followed the steps mentioned by @Kishore over here. It is working now.
– Sunny Shekhar
Nov 26 '19 at 5:14
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中文网（自研/维护）拓展 · App Inventor 2 中文网
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NotificationStyle
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PhoneInfo
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Count how many files in directory PHP
...eople are saying this is confusing for some developers, should we add that if one is using namespaces (since this method requires a recent version of PHP in any case), then one must also specify the namespace: $fi = new \FilesystemIterator(DIR, \FilesystemIterator::SKIP_DOTS);
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pretty-print JSON using JavaScript
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Pretty-printing is implemented natively in JSON.stringify(). The third argument enables pretty printing and sets the spacing to use:
var str = JSON.stringify(obj, null, 2); // spacing level = 2
If you need syntax highlighting, you might use some regex magic like so:
function...