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Android and XMPP: Currently available solutions [closed]
...smack for developing my xmpp client,I am facing a problem > When i come from 1st time login I start my chatting with user B and receiving messages from user B also that is fine.i switch off my wifi and switch on it again then programatically reconnecting my jabber server and again login my accoun...
Comparing two java.util.Dates to see if they are in the same day
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I am actually surprised to see this, but even from a performance standpoint, this SimpleDateFormat method is actually faster than the other one mentioned here using Calendars. On average it takes half the time as the Calendar method. (At least on my system). Kudos!
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Difference between Eclipse Europa, Helios, Galileo
...t release. Running the new release (on a Mac) doesn't pick up the settings from the old. I've "started over" my Eclipse setup so many times now, I'm totally fed up using it, to be honest. I must be doing something wrong. :-(
– Ryan H.
Dec 6 '11 at 18:25
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Do I really need to encode '&' as '&'?
... @Delan: while I try to make every page I write validate, I understand from reading his question that he doesn't care about "morally". He just cares if it works or not. They are two different philosophies and both have their pros and cons, and there is not a "correct" one. For example this websi...
Elegant way to check for missing packages and install them?
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Yes. If you have your list of packages, compare it to the output from installed.packages()[,"Package"] and install the missing packages. Something like this:
list.of.packages <- c("ggplot2", "Rcpp")
new.packages <- list.of.packages[!(list.of.packages %in% installed.packages()[,"Pac...
Python string class like StringBuilder in C#?
...gs that fulfill similar purposes:
One common way to build large strings from pieces is to grow a list of strings and join it when you are done. This is a frequently-used Python idiom.
To build strings incorporating data with formatting, you would do the formatting separately.
For insertion an...
How can you find the height of text on an HTML canvas?
...of this working, I used this technique in the Carota editor.
Following on from ellisbben's answer, here is an enhanced version to get the ascent and descent from the baseline, i.e. same as tmAscent and tmDescent returned by Win32's GetTextMetric API. This is needed if you want to do a word-wrapped ...
What is the difference between syntax and semantics in programming languages?
...rinted on each one. The rightmost wheel rotates the fastest; when it wraps from 9 back to zero, the wheel to its immediate left advances by one. When this wheel advances from 9 to 0, the one to its left advances, and so on.
– Jeff N
Jul 29 '13 at 19:20
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What does the ^ operator do in Java?
...so
Wikipedia: Arithmetic shift
Merge note: this answer was merged from another question where the intention was to use exponentiation to convert a string "8675309" to int without using Integer.parseInt as a programming exercise (^ denotes exponentiation from now on). The OP's intention was...
What do these words mean in Git: Repository, fork, branch, clone, track?
... state of the files you're working on.
To fork a project (take the source from someone's repository at certain point in time, and apply your own diverging changes to it), you would clone the remote repository to create a copy of it, then do your own work in your local repository and commit changes....