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What's the use of ob_start() in php?
...
Think of ob_start() as saying "Start remembering everything that would normally be outputted, but don't quite do anything with it yet."
For example:
ob_start();
echo("Hello there!"); //would normally get printed to the screen/output to browser
$output = ob_get_c...
Handling file renames in git
...n renaming files in git , you should commit any changes, perform your rename and then stage your renamed file. Git will recognise the file from the contents, rather than seeing it as a new untracked file, and keep the change history.
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Inner text shadow with CSS
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Here's a little trick I discovered using the :before and :after pseudo-elements:
.depth {
color: black;
position: relative;
}
.depth:before, .depth:after {
content: attr(title);
color: rgba(255,255,255,.1);
position: absolute;
}
.depth:before { top: 1px; left: 1px }
.depth:afte...
Get margin of a View
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Actually I was expecting something like this, but I don't think there is any direct class called LayoutParams. There are classes like FrameLayout.LayoutParams, RelativeLayout.LayoutParams, but nothing like LayoutParams in itself. And since I don't know...
Getting “The JSON request was too large to be deserialized”
...em.web.extensions>
Set a higher value for aspnet:MaxJsonDeserializerMembers in the appSettings:
<appSettings>
<add key="aspnet:MaxJsonDeserializerMembers" value="150000" />
</appSettings>
If those options are not working you could try creating a custom json value provid...
Scale image to fit a bounding box
... add
.fillwidth {
min-width: 100%;
height: auto;
}
To the an element to always have it 100% width and automatically scale the height to the aspect ratio, or the inverse:
.fillheight {
min-height: 100%;
width: auto;
}
to always scale to max height and relative width. To do bot...
What does it mean that Javascript is a prototype based language?
...ct-oriented languages are classical.
In classical inheritance, the programmer writes a class, which defines an object. Multiple objects can be instantiated from the same class, so you have code in one place which describes several objects in your program. Classes can then be organized into a hier...
How do I programmatically determine if there are uncommitted changes?
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UPDATE: the OP Daniel Stutzbach points out in the comments that this simple command git diff-index worked for him:
git update-index --refresh
git diff-index --quiet HEAD --
A more precise option would be to test git status --porcelain=v1 2>/dev/null | wc -l, using the porc...
Android ViewPager - Show preview of page on left and right
...n right and left sizes on switch pages of view pager? For example - if fragment out of focus - it's scale will be ~0.8, but when we drag it to center - scale will increase to 1, and previous fragment from centre view will change scale to 0.8 when going out of screen?
– iamthevo...
Check if a dialog is displayed with Espresso
I'm trying to write some tests with the new android-test-kit (Espresso) . But I can't find any information on how to check if a dialog is displayed and perform some actions on it (like clicking the positive and negative buttons, e.t.c.). Note that a dialog may be also displayed by a WebView , no...