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MySQL convert date string to Unix timestamp
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Here's an example of how to convert DATETIME to UNIX timestamp:
SELECT UNIX_TIMESTAMP(STR_TO_DATE('Apr 15 2012 12:00AM', '%M %d %Y %h:%i%p'))
Here's an example of how to change date format:
SELECT FROM_UNIXTIME(UNIX_TIMESTAMP(STR_TO_DATE('Apr 15 2012 12:00AM', '%M %d %Y %h:%i%p')),'%m-%d-...
Get current AUTO_INCREMENT value for any table
...'TableName' ;
You can get exactly this information by using this query:
SELECT `AUTO_INCREMENT`
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = 'DatabaseName'
AND TABLE_NAME = 'TableName';
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iPhone app signing: A valid signing identity matching this profile could not be found in your keycha
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Open Xcode. Click WINDOW > ORGANIZER. Then click the Devices tab and select "Provisioning Profiles" on the left.
That should bring up your provisioning profiles. Highlight one by one (if more than 1), right click and delete profile. Yes, just do it! Delete them all! (I kept making a new one a...
How to check if PHP array is associative or sequential?
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@ARW "PHP seems to cast everything to an int in an array definition if it can." - yep, that's exactly what happens. The biggest WTF is that it even does this to floats; if you try var_dump([1.2 => 'foo', 1.5 => 'bar']); you'll discover th...
How to insert text into the textarea at the current cursor position?
...ction insertAtCursor(myField, myValue) {
//IE support
if (document.selection) {
myField.focus();
sel = document.selection.createRange();
sel.text = myValue;
}
//MOZILLA and others
else if (myField.selectionStart || myField.selectionStart == '0') {
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Java's Virtual Machine and CLR
... uses the same implementation as a List<Object>, with different type-casts at the API boundaries), but each value-type uses its own unique implementation (List<int> generates completely different code from List<double>).
In Java, generic types are a purely a compiler trick. The JV...
How do you join on the same table, twice, in mysql?
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you'd use another join, something along these lines:
SELECT toD.dom_url AS ToURL,
fromD.dom_url AS FromUrl,
rvw.*
FROM reviews AS rvw
LEFT JOIN domain AS toD
ON toD.Dom_ID = rvw.rev_dom_for
LEFT JOIN domain AS fromD
ON fromD.Dom_ID = rvw.rev_dom_from
ED...
What is the difference between char s[] and char *s?
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static char __unnamed[] = "abc";
char *c = __unnamed;
Note the implicit cast from char[] to char *, which is always legal.
Then if you modify c[0], you also modify __unnamed, which is UB.
This is documented at 6.4.5 "String literals":
5 In translation phase 7, a byte or code of value zero i...
How to create unit tests easily in eclipse [closed]
I want to create unit tests easily by just selecting method. Is there a tool in eclipse that does that. It should support templates. I should be able to create positive test as well as negative tests.
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Is it possible to change a UIButtons background color?
...IControlStateDisabled];
[myButton setBackgroundImage:[UIImage imageNamed:@"selected.png"] forState:UIControlStateSelected];
[myButton setBackgroundImage:[UIImage imageNamed:@"higligted.png"] forState:UIControlStateHighlighted];
[myButton setBackgroundImage:[UIImage imageNamed:@"highlighted+selected....