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How can I force division to be floating point? Division keeps rounding down to 0?
...the float division in another place of the file...
– m>me m>rcury0114
Jul 23 '19 at 10:26
3
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HTTP test server accepting GET/POST requests
...hat accepts my requests for basic information via HTTP GET and also allows m>me m> to POST (even if it's really not doing anything). This is entirely for test purposes.
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GIT: Checkout to a specific folder
I want to use som>me m>thing similar to:
10 Answers
10
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how do I query sql for a latest record date for each user
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select t.usernam>me m>, t.date, t.value
from MyTable t
inner join (
select usernam>me m>, max(date) as MaxDate
from MyTable
group by usernam>me m>
) tm on t.usernam>me m> = tm.usernam>me m> and t.date = tm.MaxDate
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Action bar navigation modes are deprecated in Android L
... a look at the API diff report for the Android "L" preview, I see that all m>me m>thods related to navigation modes in the ActionBar class (such as setNavigationMode() , addTab() , selectTab() , &c). are now deprecated.
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iPhone Safari Web App opens links in new window
I have problem with web after adding icon to Hom>me m> Screen. If the web is launched from Hom>me m> Screen, all links will open in new window in Safari (and lose full screen functionality). How can I prevent it? I couldn't find any help, only the sam>me m> unanswered question.
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Redirect parent window from an ifram>me m> action
What JavaScript do I need to use to redirect a parent window from an ifram>me m>?
13 Answers
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How to save a plot as image on the disk?
...p(), pdf() or similar
Plot your model
Close the device using dev.off()
Som>me m> example code for saving the plot to a png file:
fit <- lm(som>me m> ~ model)
png(filenam>me m>="your/file/location/nam>me m>.png")
plot(fit)
dev.off()
This is described in the (combined) help page for the graphical formats ?png, ?...
How do I get the application exit code from a Windows command line?
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A pseudo environm>me m>nt variable nam>me m>d errorlevel stores the exit code:
echo Exit Code is %errorlevel%
Also, the if command has a special syntax:
if errorlevel
See if /? for details.
Example
@echo off
my_nify_exe.exe
if errorlevel 1 (
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do..end vs curly braces for blocks in Ruby
I have a coworker who is actively trying to convince m>me m> that I should not use do..end and instead use curly braces for defining multiline blocks in Ruby.
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