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How to check whether an object is a date?
...hecks whether the parameter was not a falsy value (undefined, null, 0, "", etc..)
Object.prototype.toString.call(date) returns a native string representation of the given object type - In our case "[object Date]". Because date.toString() overrides its parent method, we need to .call or .apply the me...
FB OpenGraph og:image not pulling images (possibly https?)
...can be HTTPS (which is what StackExchange, YouTube, WordPress.com, Amazon, etc. does). It kinda makes you wonder what og:image:secure_url is really for?
– DocRoot
Dec 1 '17 at 0:22
...
CSS3 gradient background set on body doesn't stretch but instead repeats?
...e <html> tag.
html {
-moz-linear-gradient(top, #fff, #000);
/* etc. */
}
Background extends to the bottom and no weird scrolling behavior occurs. You can skip all of the other fixes. And this is broadly supported. I haven't found a browser that doesn't let you apply a background to the...
Integrating the ZXing library directly into my Android application
...de so it hopefully can help others with the same problem as I had ;)
Install Apache Ant - (See this YouTube video for config help)
Download the ZXing source from ZXing homepage and extract it
With the use of Windows Commandline (Run->CMD) navigate to the root directory of the downloaded zxing s...
What's the point of NSAssert, actually?
...is undefined. Exceptions are purely for error reporting (aka, crittercism, etc), not for general use like in Java.
– Michael
Jan 2 '14 at 17:20
...
Changes in import statement python3
...a single function. In Python 2 you were permitted to be semi-lazy:
def sin_degrees(x):
from math import *
return sin(degrees(x))
Note that it already triggers a warning in Python 2:
a.py:1: SyntaxWarning: import * only allowed at module level
def sin_degrees(x):
In modern Python 2 co...
Calculate age given the birth date in the format YYYYMMDD
...
@RobG I don't think a full year technically has passed from 2000-02-29 to 2001-02-28, making your answer invalid. It wouldn't make sense, 2000-02-28 to 2001-02-28 is a year, so 2000-02-29 to 2001-02-28, must be less than a year.
– André Sne...
How to complete a git clone for a big project on an unstable connection?
... shallow clone i.e. git clone --depth=1, then deepen this clone using git fetch --depth=N, with increasing N. You can use git fetch --unshallow (since 1.8.0.3) to download all remaining revisions.
Ask somebody to bundle up to some tagged release (see git-bundle(1) manpage). The bundle itself is an ...
Align image in center and middle within div
...00%; height:100%">
<img src="http://www.garcard.com/images/garcard_symbol.png">
</div>
JSFiddle
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Keeping ASP.NET Session Open / Alive
...n alive as long as the user has the browser window open? Is it timed AJAX calls? I want to prevent the following: sometimes users keep their window open for a long time, then enter stuff, and on submit nothing works anymore because the server side session expired. I don't want to increase the timeou...