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Calling a function every 60 seconds
...over and over.
A better approach is, to use setTimeout along with a self-executing anonymous function:
(function(){
// do some stuff
setTimeout(arguments.callee, 60000);
})();
that guarantees, that the next call is not made before your code was executed. I used arguments.callee in this e...
Undefined symbols for architecture i386: _OBJC_CLASS_$_SKPSMTPMessage", referenced from: error
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Deleting an object in java?
...ally deleted by the garbage collector (not immediately, but eventually).
Example 1:
Object a = new Object();
a = null; // after this, if there is no reference to the object,
// it will be deleted by the garbage collector
Example 2:
if (something) {
Object o = new Object();
} // a...
Bootstrap: How do I identify the Bootstrap version?
...d answer), but for anyone reading after this date - note that bootstrap v3.x is not backwards compatible with v2.x getbootstrap.com/migration
– mulllhausen
Nov 19 '17 at 10:53
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What is Type-safe?
... an error if you try to assign the wrong type to a variable.
Some simple examples:
// Fails, Trying to put an integer in a string
String one = 1;
// Also fails.
int foo = "bar";
This also applies to method arguments, since you are passing explicit types to them:
int AddTwoNumbers(int a, int b)
...
Replace new lines with a comma delimiter with Notepad++?
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Open the find and replace dialog (press CTRL+H).
Then select Regular expression in the 'Search Mode' section at the bottom.
In the Find what field enter this: [\r\n]+
In the Replace with: ,
There is a space after the comma.
This will also replace lines like
Apples
Apricots
Pear
Avoca...
Java Look and Feel (L&F) [closed]
...stantial project)
Napkin LaF
Synthetica
Quaqua (looks like aqua from MacOS X)
Seaglass
JGoodies
Liquidlnf
The Alloy Look and Feel
PgsLookAndFeel
JTatoo
Jide look and feel
etc.
Resources :
Best Java Swing Look and Feel Themes | Top 10 (A lot of the preview images on this page are now missing)
orac...
Check if a key exists inside a json object
...he JSON object I'm dealing with. I want to check if the 'merchant_id' key exists. I tried the below code, but it's not working. Any way to achieve it?
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Resize image proportionally with CSS? [duplicate]
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To resize the image proportionally using CSS:
img.resize {
width:540px; /* you can use % */
height: auto;
}
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How to get the position of a character in Python?
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There are two string methods for this, find() and index(). The difference between the two is what happens when the search string isn't found. find() returns -1 and index() raises ValueError.
Using find()
>>> myString = 'Position of a character'
>>> myStrin...