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Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL
...u can use:
select date(substring('2011/05/26 09:00:00' from 1 for 10));
Test code:
create table test_table (timestamp_field timestamp);
insert into test_table (timestamp_field) values(current_timestamp);
select timestamp_field, date(timestamp_field) from test_table;
Test result:
...
What is the right way to check for a null string in Objective-C?
...t check for pointer equality. See Topics for Cocoa: Using Null.
So a good test might be:
if (title == (id)[NSNull null] || title.length == 0 ) title = @"Something";
Note how you can use the fact that even if title is nil, title.length will return 0/nil/false, ie 0 in this case, so you do not hav...
NodeJS: Saving a base64-encoded image to disk
...
i just modified your code. fs.writeFile("test.jpg", imageBuffer.data, function(err ) { json_response['success'] = true; res.json(json_response); }); image is uploaded but result is not that liking to me.. error : 502 Bad Gat...
What's the main difference between int.Parse() and Convert.ToInt32
...3456";
int res;
try
{
// int.Parse() - TEST
res = int.Parse(strInt); // res = 24532
res = int.Parse(strNull); // System.ArgumentNullException
res = int.Parse(strWrongFrmt); // System.FormatException
res = int.Parse(s...
Is there a way to dump a stack trace without throwing an exception in java?
...
@Daniel There's another consideration: with many testing frameworks, e.g. Spock, just creating an Exception (without throwing it) will be enough for the framework to pick up on: the test will then consider that an Exception has "occurred" and the test will end, with a fail....
Get HTML Source of WebElement in Selenium WebDriver using Python
...tAttribute('innerHTML');
PHP:
$element->getAttribute('innerHTML');
Tested and works with the ChromeDriver.
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Do you continue development in a branch or in the trunk? [closed]
...ild setups. That's what continuous integration is all about! You have QA test your branches not your mainline trunk.
– PositiveGuy
May 21 '10 at 14:05
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Default argument values in JavaScript functions [duplicate]
...and then you can call it like func(); to use default parameters.
Here's a test:
function func(a, b){
if (typeof(a)==='undefined') a = 10;
if (typeof(b)==='undefined') b = 20;
alert("A: "+a+"\nB: "+b);
}
//testing
func();
func(80);
func(100,200);
...
Is this object-lifetime-extending-closure a C# compiler bug?
...Program
{
static void Main(string[] args)
{
}
static void Test(double arg)
{
}
class Foo
{
private Action _field;
public void InstanceMethod()
{
var capturedVariable = Math.Pow(42, 1);
_field = () => Test(capture...
How can I delete a newline if it is the last character in a file?
...s was described as a 'perl blasphemy' on the awk website I saw.
But, in a test, it worked.
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