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What is an optional value in Swift?
...g and writing code more fluent. Unfortunately this obscures the way it actually works. I'll go through some of the tricks later.
Note: I'll be talking about optional variables a lot, but it's fine to create optional constants too. I mark all variables with their type to make it easier to understand ...
Iterate through object properties
... check:
for (var prop in obj) {
if (Object.prototype.hasOwnProperty.call(obj, prop)) {
// do stuff
}
}
It's necessary because an object's prototype contains additional properties for the object which are technically part of the object. These additional properties are inherited fr...
Android, How can I Convert String to Date?
...g before storing it in the database. In this case en.wikipedia.org/wiki/ISO_8601
– denis.solonenko
Dec 20 '11 at 9:35
...
How can I run MongoDB as a Windows service?
...r several hours, I finally did it.
Make sure that you added the <MONGODB_PATH>\bin directory to the system variable PATH
First I executed this command:
D:\mongodb\bin>mongod --remove
Then I executed this command after opening command prompt as administrator:
D:\mongodb\bin>mongod --dbpa...
How do I load a PHP file into a variable?
...ose you want to get the content generated by PHP, if so use:
$Vdata = file_get_contents('http://YOUR_HOST/YOUR/FILE.php');
Otherwise if you want to get the source code of the PHP file, it's the same as a .txt file:
$Vdata = file_get_contents('path/to/YOUR/FILE.php');
...
How does setting baselineAligned to false improve performance in LinearLayout?
...s the invisible line letters in text sit on. en.wikipedia.org/wiki/Baseline_%28typography%29
– Zsolt Safrany
Sep 29 '12 at 12:26
12
...
Pass request headers in a jQuery AJAX GET call
...uestHeader('X-Test-Header', 'test-value');}
– matthew_360
Jan 18 '13 at 20:50
...
Android ClickableSpan not calling onClick
... explicate me wherefore about this setting?
– alfo888_ibg
Dec 5 '13 at 13:50
65
OF COURSE I need ...
Why can I throw null in Java? [duplicate]
...ointerException and not a FileNotFoundException
– php_coder_3809625
Aug 24 '16 at 5:50
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How do Google+ +1 widgets break out of their iframe?
...pect that element then you'll get an iframe src for plusone.google.com/u/0/_/+/fastbutton?url=... This iframe contains the CSRF token for submitting to google+.
– rook
Sep 6 '11 at 0:50
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