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For every character in string
...nt, that is still probably relevant for the OP:) It is not considered good form to use strlen in the loop condition, as it requires an O(n) operation on the string for each iteration, making the entire loop O(n^2) in the size of the string. strlen in the loop condition can be called for if the strin...
Building vs. Compiling (Java)
...m.
Compile means, convert (a program) into a machine-code or lower-level form in which the program can be executed.
In Java: Build is a Life cycle contains sequence of named phases.
for example: maven it has three build life cycles, the following one is default build life cycle.
◾validate...
Java project in Eclipse: The type java.lang.Object cannot be resolved. It is indirectly referenced f
...ry -> Next -> Workspace default JRE (or you can Choose Alternate JRE form your System) -> Finish
if Yes than .
Right click on your project -> Build Path -> Configure Build Path
Go to 'Libraries' tab
Remove Previous Version
Add Library -> JRE System Library -> Next -> Work...
Convert duration to hours:minutes:seconds (or similar) in Rails 3 or Ruby
...hour"
Option 2:
Time.at(total_seconds).utc.strftime("%H:%M:%S") #=> "01:00:00"
Option 3:
seconds = total_seconds % 60
minutes = (total_seconds / 60) % 60
hours = total_seconds / (60 * 60)
format("%02d:%02d:%02d", hours, minutes, seconds) #=> "01:00:00"
use Option1 if you want words, O...
Convert a list to a data frame
...
You can use the plyr package.
For example a nested list of the form
l <- list(a = list(var.1 = 1, var.2 = 2, var.3 = 3)
, b = list(var.1 = 4, var.2 = 5, var.3 = 6)
, c = list(var.1 = 7, var.2 = 8, var.3 = 9)
, d = list(var.1 = 10, var.2 = 11, var.3 = 12)
)
h...
How do I convert a IPython Notebook into a Python file via commandline?
...nput.ipynb
j = json.load(f)
of = open(sys.argv[2], 'w') #output.py
if j["nbformat"] >=4:
for i,cell in enumerate(j["cells"]):
of.write("#cell "+str(i)+"\n")
for line in cell["source"]:
of.write(line)
of.write('\n\n')
...
Print all day-dates between two dates [duplicate]
...
Then you can use it as follows:
In: list(datetime_range(start=datetime(2014, 1, 1), end=datetime(2014, 1, 5)))
Out:
[datetime.datetime(2014, 1, 1, 0, 0),
datetime.datetime(2014, 1, 2, 0, 0),
datetime.datetime(2014, 1, 3, 0, 0),
datetime.datetime(2014, 1, 4, 0, 0),
datetime.datetime(2014, 1, ...
Maximum request length exceeded.
...I have a Documents controller with an action called Upload that I post the form to. In your case it would be whatever the url to your action would be.
– Nick Albrecht
Aug 6 '14 at 16:17
...
Markdown: continue numbered list
...-and then continue the list. Markdown does not want us to do that. It's a form of thought that Markdown does not want people to express--that Markdown does not know how to express, that Markdown thinks is too ... free. Tools should follow thought. Sigh. I could write in HTML, or make PDFs.
...
How to do date/time comparison
...heck.Before(end)
}
func main() {
start, _ := time.Parse(time.RFC822, "01 Jan 15 10:00 UTC")
end, _ := time.Parse(time.RFC822, "01 Jan 16 10:00 UTC")
in, _ := time.Parse(time.RFC822, "01 Jan 15 20:00 UTC")
out, _ := time.Parse(time.RFC822, "01 Jan 17 10:00 UTC")
if inTimeSpan(s...