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Difference between CR LF, LF and CR line break types?
... And finally, this was using Baudot (or Murray code), not ASCII. Five data bits, between one start bit and one-and-a-half stop bits. How can you have half a bit? By waiting half a bit time before starting to send the next character, to give the print head time to return to center.
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房多多：懂用户比懂互联网重要 - 资讯 - 清泛网 - 专注C/C++及内核技术
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在这条商业链条中，参与多方其实都不能满意。 “黄金(1051.60， -2.20， -0.21%)时代”可以等着客户上门，但到了“白银(13.92， -0.09， -0.64%)时代”，房子就越来越难卖了。这种情况迟早会被改变，所以我们开始做房多多。
房多...
Why does Java have transient fields?
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bharal
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answered May 26 '09 at 12:53
coobirdcoobird
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C#: How to convert a list of objects to a list of a single property of that object?
...orance) :)
– nawfal
Jul 9 '12 at 19:10
add a comment
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Summarizing multiple columns with dplyr? [duplicate]
I'm struggling a bit with the dplyr-syntax. I have a data frame with different variables and one grouping variable. Now I want to calculate the mean for each column within each group, using dplyr in R.
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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...ere only works because of constant folding while the template allows for arbitrary (?) code. Still a good idea to assign it to a char !
– Voo
Jan 6 '12 at 20:44
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What does “|=” mean? (pipe equal operator)
...lts = notification.defaults | Notification.DEFAULT_SOUND;
where | is the bit-wise OR operator.
All operators are referenced here.
A bit-wise operator is used because, as is frequent, those constants enable an int to carry flags.
If you look at those constants, you'll see that they're in powers ...
Why can't decimal numbers be represented exactly in binary?
...e a fixed size like System.Decimal others like java.math.BigDecimal are "arbitrarily large" - but they'll hit a limit at some point, whether it's system memory or the theoretical maximum size of an array. This is an entirely separate point to the main one of this answer, however. Even if you had a g...
How do I update if exists, insert if not (AKA “upsert” or “merge”) in MySQL?
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10
Yeah, I believe SQL Server's equivalent is called MERGE. In general, the concept is often referred to as "UPSERT".
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Using the “animated circle” in an ImageView while loading stuff
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Based on that link:
val dialog = progressDialog(message = "Please wait a bit…", title = "Fetching data")
dialog.show()
//....
dialog.dismiss()
This will show a Progress Dialog with the progress % displayed (for which you have to pass the init parameter also to calculate the progress).
There i...