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MySQL: Large VARCHAR vs. TEXT?
... in the page size (16KB and each page must hold at least two rows). If the string is too large for that, it overflows to additional pages. See mysqlperformanceblog.com/2010/02/09/blob-storage-in-innodb for a detailed explanation.
– Bill Karwin
Jan 1 '14 at 21:4...
Multiple returns from a function
...ge that doesn't support the above methods or allows you to do this without extra typing).
class MyXYZ
{
public $x;
public $y;
public $z;
}
function getXYZ()
{
$out = new MyXYZ();
$out->x = 4;
$out->y = 5;
$out->z = 6;
return $out;
}
$xyz = getXYZ();
$x ...
replace String with another in java
What function can replace a string with another string?
6 Answers
6
...
Pretty-Print JSON in Java
...ate();
JsonParser jp = new JsonParser();
JsonElement je = jp.parse(uglyJSONString);
String prettyJsonString = gson.toJson(je);
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proper hibernate annotation for byte[]
...pes: Java primitive, types, wrappers
of the primitive types,
java.lang.String,
java.math.BigInteger,
java.math.BigDecimal,
java.util.Date,
java.util.Calendar, java.sql.Date,
java.sql.Time, java.sql.Timestamp,
byte[], Byte[], char[], Character[], enums, and any other
type that imple...
What's a quick way to comment/uncomment lines in Vim?
...ks I use most of the time block selection.
Put your cursor on the first # character, press CtrlV (or CtrlQ for gVim), and go down until the last commented line and press x, that will delete all the # characters vertically.
For commenting a block of text is almost the same:
First, go to the firs...
Django REST framework: non-model serializer
...amework will output any basic object like dict, list and tuple without any extra work on your part.
So basically you only have to create the function or class that takes in arguments, does all of the required calculations and returns its results in a tuple to the REST api view. If JSON and/or XML f...
How to use querySelectorAll only for elements that have a specific attribute set?
... @blackHawk The syntax uses CSS Selectors. As specified by MDN it "is a string containing one or more CSS selectors separated by commas". You can read about CSS Selectors here.
– martieva
Oct 21 '16 at 14:52
...
How do I return clean JSON from a WCF Service?
...erson>.
Eliminate the code that you use to serialize the List to a json string - WCF does this for you automatically.
Using your definition for the Person class, this code works for me:
public List<Person> GetPlayers()
{
List<Person> players = new List<Person>();
pla...
Are string.Equals() and == operator really same? [duplicate]
...pes of the objects:
// Avoid getting confused by interning
object x = new StringBuilder("hello").ToString();
object y = new StringBuilder("hello").ToString();
if (x.Equals(y)) // Yes
// The compiler doesn't know to call ==(string, string) so it generates
// a reference comparision instead
if (x ==...