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Trim a string based on the string length
...ady shorter than 10.
Notes:
The above does real trimming. If you actually want to replace the last three (!) characters with dots if it truncates, then use Apache Commons StringUtils.abbreviate.
This may behave incorrectly1 if your String contains Unicode codepoints outside of the BMP; e.g. Em...
How do I assert equality on two classes without an equals method?
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I generally implement this usecase using org.apache.commons.lang3.builder.EqualsBuilder
Assert.assertTrue(EqualsBuilder.reflectionEquals(expected,actual));
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Most pythonic way to delete a file which may not exist
...this takes even more lines and looks very ugly, it avoids the unnecessary call to os.path.exists() and follows the python convention of overusing exceptions.
It may be worthwhile to write a function to do this for you:
import os, errno
def silentremove(filename):
try:
os.remove(filena...
Java: Path vs File
...e modern java.nio.file lib, and does everything java.io.File can, but generally in a better way, and more.
For new projects, use Path.
And if you ever need a File object for legacy, just call Path#toFile()
Migrating from File to Path
This Oracle page highlights differences, and maps java.io.Fil...
How can I check if a scrollbar is visible?
...s been shrunk by the horizontal scroll bar height.
– Ally
Jul 3 '12 at 10:36
why you have defined same function two ti...
In Python, how do I iterate over a dictionary in sorted key order?
...ems() creates a list and therefore uses memory, whereas iteritems() essentially does not use memory. What to use mostly depend on the size of the dictionary. Furthermore, the automatic Python 2 to Python 3 conversion tool (2to3) automatically takes care of the conversion from iteritems() to items(),...
How to make CSS3 rounded corners hide overflow in Chrome/Opera
... This looks like another bug in WebKit (or probably Chrome), but it works. All you need to do - is to add a WebKit CSS Mask to the #wrapper element. You can use a single pixel png image and even include it to the CSS to save a HTTP request.
#wrapper {
width: 300px; height: 300px;
border-radius: 10...
Not able to type in textfield in iphone simulator using Mac Keyboard?
...the keyboard will not show up.
Toggle Software keyboard : This option will allow you type using your Mac keypad and will show the iOS on screen keyboard as well.
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How do I pull from a Git repository through an HTTP proxy?
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What finally worked was setting the http_proxy environment variable. I had set HTTP_PROXY correctly, but git apparently likes the lower-case version better.
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Is there a Null OutputStream in Java?
I need to specify an OutputStream for an API I'm using, but I don't actually have a need for the output. Does Java have an OutputStream equivalent to > /dev/null ?
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