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How do you redirect HTTPS to HTTP?
...e same is true for your domain name and your hosting! A PKI certificate is now NOT expensive compared to domain names, and is insignificant compared to hosting/bandwidth costs!
– verdy_p
Feb 17 '19 at 12:27
...
Unexpected value from nativeGetEnabledTags: 0
... the SDK (r21) and ADT 21.0.0. I tried simple code, and it works well, but now I get a warning in LogCat that did not appear in the previous versions:
...
Adding n hours to a date in Java?
... as java.util.Date, java.util.Calendar, and java.text.SimpleDateFormat are now legacy, supplanted by the java.time classes built into Java 8 & Java 9. See Tutorial by Oracle.
– Basil Bourque
Mar 25 '18 at 18:48
...
Sending websocket ping/pong frame from browser
...was a recommended practice when user-agents were frequently refreshed. But now many websites are designed as SPAs. In this environment it might be quite essential for the client application to regularly ping the server in order to ensure the connection has not been lost.
– Noel...
Visual Studio can't build due to rc.exe
...this:
Microsoft left a few things out of their MSVT package. Since no one knows whether they were left out by mistake or for license reasons, no one with MSVC is too interested in giving them out. A few Google searches turn up some tricky sources. Fortunately, Microsoft has finally wised up and solv...
How do you update Xcode on OSX to the latest version?
...ode is currently version 7.2. But need 7.3 to develop for my iPhone which now is on version 9.3 of iOS.
– Alyoshak
Mar 29 '16 at 14:31
23
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Replace specific characters within strings
..., "e18947")) )
R> group
group
1 12357e
2 12575e
3 197e18
4 e18947
Now use gsub() with the simplest possible replacement pattern: empty string:
R> group$groupNoE <- gsub("e", "", group$group)
R> group
group groupNoE
1 12357e 12357
2 12575e 12575
3 197e18 19718
4 e18947 ...
What's the difference between a single precision and double precision floating point operation?
...o represent floating-point values.
Most computers use a standard format known as the IEEE floating-point format.
The IEEE double-precision format actually has more than twice as many bits of precision as the single-precision format, as well as a much greater range.
From the IEEE standard for f...
Comparison of C++ unit test frameworks [closed]
I know there are already a few questions regarding recommendations for C++ unit test frameworks, but all the answers did not help as they just recommend one of the frameworks but do not provide any information about a (feature) comparison.
...
Disable browser's back button
...n't really answer the poster's question. Let's just assume that everyone knows this is a bad idea, but we are curious about how it's done anyway...
You cannot disable the back button on a user's browser, but you can make it so that your application breaks (displays an error message, requiring the ...