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UITextField border color
I have really great wish to set my own color to UITextField border. But so far I could find out how to change the border line style only.
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Java serialization: readObject() vs. readResolve()
... readResolve() method, on the other hand, remains a bit of a mystery. Basically all documents I found either mention only one of the two or mention both only individually.
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Convert character to ASCII numeric value in java
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The several answers that purport to show how to do this are all wrong because Java characters are not ASCII characters. Java uses a multibyte encoding of Unicode characters. The Unicode character set is a super set of ASCII. So there can be characters in a Java string that do not belo...
How do I compare two DateTime objects in PHP 5.2.8?
...ar_dump($date1 > $date2); // false
For PHP versions before 5.2.2 (actually for any version), you can use diff.
$datetime1 = new DateTime('2009-10-11'); // 11 October 2013
$datetime2 = new DateTime('2009-10-13'); // 13 October 2013
$interval = $datetime1->diff($datetime2);
echo $interval-&g...
Concatenating two std::vectors
... If you have concatenating several vectors to one, is it helpful to call reserve on the destination vector first?
– Faheem Mitha
Feb 4 '12 at 23:07
33
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Xcode iOS project only shows “My Mac 64-bit” but not simulator or device
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This is basically happen, when you change your project name or something like that. The solution is, you have to select the right "Scheme" for your project. Here is the solution :
After open your project :
Go to "Product" from upper m...
Auto expand a textarea using jQuery
How can I make a textarea automatically expand using jQuery?
31 Answers
31
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Add a default value to a column through a migration
... What do you mean when you say "make sure you update the field manually on the migration"? How does one do that?
– David Argyle Thacker
Jan 8 '16 at 21:51
7
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What's better to use in PHP, $array[] = $value or array_push($array, $value)?
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No benchmarks, but I personally feel like $array[] is cleaner to look at, and honestly splitting hairs over milliseconds is pretty irrelevant unless you plan on appending hundreds of thousands of strings to your array.
Edit: Ran this code:
$t = microti...
How do you divide each element in a list by an int?
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The way you tried first is actually directly possible with numpy:
import numpy
myArray = numpy.array([10,20,30,40,50,60,70,80,90])
myInt = 10
newArray = myArray/myInt
If you do such operations with long lists and especially in any sort of scientific com...