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Gson: How to exclude specific fields from Serialization without annotations
...ed json give it a transient keyword, eg:
private transient String name;
More details in the Gson documentation
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How to clear the canvas for redrawing
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For more recent readers of this answer: be aware that this answer was modified and that some of the above comments no longer apply.
– daveslab
Jan 12 '17 at 11:26
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Python syntax for “if a or b or c but not all of them”
...r b or c) and not (a and b and c):
My advice is to use whichever form is more significant to you and to other programmers. The first means "there is something false, but also something true", the second "There is something true, but not everything". If I were to optimize or do this in hardware, I ...
How to get string objects instead of Unicode from JSON?
...], 'foo': 'bar'}
>>> json_load_byteified(open('somefile.json'))
{'more json': 'from a file'}
How does this work and why would I use it?
Mark Amery's function is shorter and clearer than these ones, so what's the point of them? Why would you want to use them?
Purely for performance. Mark'...
What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
I know that the >= operator means more than or equal to, but I've seen => in some source code. What's the meaning of that operator?
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What does .SD stand for in data.table in R
.... There's no significance to the initial ".", except that it makes it even more unlikely that there will be a clash with a user-defined column name.
If this is your data.table:
DT = data.table(x=rep(c("a","b","c"),each=2), y=c(1,3), v=1:6)
setkey(DT, y)
DT
# x y v
# 1: a 1 1
# 2: b 1 3
# 3: c 1...
Unique combination of all elements from two (or more) vectors
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is someone with more rep than me able to accept this answer?
– Josh
Aug 26 '19 at 20:29
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Check if an element's content is overflowing?
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If you want to show only an identifier for more content, then you can do this with pure CSS. I use pure scrolling shadows for this. The trick is the use of background-attachment: local;. Your css looks like this:
.scrollbox {
overflow: auto;
width: 200px;
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How to determine if a number is a prime with regex?
...sed later on in the same regex.
The group captures 1 character, then 1 or more of any character. (The + character means one or more, but ONLY of the previous character or group. So this is not "two or four or six etc. characters", but rather "two or three etc." The +? is like +, but it tries to mat...
Netty vs Apache MINA
...API and much better documentation. Performance seemed better on paper too. More importantly we knew that Trustin Lee would be on hand to answer any questions we had, and he certainly did that.
We found everything easier in Netty. Period. While we were trying to reimplement the same functionality we...