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How to automatically crop and center an image
...his version retains the img tag so that we do not lose the ability to drag or right-click to save the image. Credit to Parker Bennett for the opacity trick.
.center-cropped {
width: 100px;
height: 100px;
background-position: center center;
background-repeat: no-repeat;
overflow: ...
DROP IF EXISTS VS DROP?
...tax is
DROP TABLE table_name;
IF EXISTS is not standard; different platforms might support it with different syntax, or not support it at all. In PostgreSQL, the syntax is
DROP TABLE IF EXISTS table_name;
The first one will throw an error if the table doesn't exist, or if other database object...
JavaScript: filter() for Objects
ECMAScript 5 has the filter() prototype for Array types, but not Object types, if I understand correctly.
15 Answers
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UUID max character length
We are using UUID as primary key for out oracle DB, and trying to determine an appropriate max character length for the VARCHAR. Apparently this is 36 characters but we have noticed UUID'S generated which are longer than this - up to 60 characters in length.
Does anyone know a suitable max char leng...
Java 8 method references: provide a Supplier capable of supplying a parameterized result
...
Sure.
.orElseThrow(() -> new MyException(someArgument))
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Actual meaning of 'shell=True' in subprocess
...So invoking the shell invokes a program of the user's choosing and is platform-dependent. Generally speaking, avoid invocations via the shell.
Invoking via the shell does allow you to expand environment variables and file globs according to the shell's usual mechanism. On POSIX systems, the shell...
Auto Resize Image in CSS FlexBox Layout and keeping Aspect Ratio?
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Is it also possible to do this for the height dimension if the screen gets smaller?
– confile
Jan 14 '14 at 0:43
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Changing default shell in Linux [closed]
...tailed command is chsh -s /bin/bash.
It will prompt you to enter your password.
Your default login shell is /bin/bash now. You must log out and log back in to see this change.
The following is quoted from man page:
The chsh command changes the user login shell. This determines the
name
...
Standard way to embed version into python package?
...andard.
Usually, __version__ is a string, but sometimes it's also a float or tuple.
Edit: as mentioned by S.Lott (Thank you!), PEP 8 says it explicitly:
Module Level Dunder Names
Module level "dunders" (i.e. names with two leading and two trailing
underscores) such as __all__, __author_...
Remove the image from a imageview Android [duplicate]
...equest to load the next image. If the next image isn't found in the server or takes time to load I need the old image to be empty.
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