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Differences in boolean operators: & vs && and | vs ||
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Those are the bitwise AND and bitwise OR operators.
int a = 6; // 110
int b = 4; // 100
// Bitwise AND
int c = a & b;
// 110
// & 100
// -----
// 100
// Bitwise OR
int d = a | b;
// 110
// | 100
// -----
// 110
System.out.println(c); // 4
System.out.println(d); // 6
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Update multiple rows in same query using PostgreSQL
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+50
You can also use update ... from syntax and use a mapping table. If you want to update more than one column, it's much more generaliza...
Ruby combining an array into one string
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307
Use the Array#join method (the argument to join is what to insert between the strings - in this...
How to calculate time elapsed in bash script?
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20 Answers
20
Active
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Pythonic way to add datetime.date and datetime.time objects
...the python docs.
import datetime
datetime.datetime.combine(datetime.date(2011, 1, 1),
datetime.time(10, 23))
returns
datetime.datetime(2011, 1, 1, 10, 23)
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Knockout.js bound input value not updated when I use jquery .val('xyz')
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answered Aug 11 '11 at 0:41
RP NiemeyerRP Niemeyer
113k1717 gold badges284284 silver badges210210 bronze badges
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How to set the value to a cell in Google Sheets using Apps Script?
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220
The following code does what is required
function doTest() {
SpreadsheetApp.getActiveSheet()....
Difference between jQuery’s .hide() and setting CSS to display: none
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209
From the jQuery page about .hide():
"The matched elements will be hidden immediately, with ...
How to attach debugger to iOS app after launch?
...evice.
– James Moore
Feb 25 '14 at 20:24
4
NOTE: In Xcode 5.0.1+ it is Debug > Attach to Proce...
How to get HTTP Response Code using Selenium WebDriver
...with Selenium2/WebDriver and want to test if HTTP Request returns an HTTP 403 Forbidden.
9 Answers
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