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Difference between float and decimal data type
... example, if you take a 32-bit int you can store any number from 0 - 4,294,967,295. That will only reliably cover 999,999,999, so if you threw out 2 bits and used (1<<30 -1) you'd give up nothing. Covering all 9-digit numbers with only 4 bytes is more efficient than covering 4 digits in 32 bit...
How to increment a NSNumber
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DarkDustDarkDust
84.1k1616 gold badges175175 silver badges209209 bronze badges
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File Explorer in Android Studio
...ted Jul 21 '18 at 4:32
thanhbinh84
13.9k44 gold badges4343 silver badges5757 bronze badges
answered May 26 '17 at 14:19
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How to select multiple files with ?
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84
There is also HTML5 <input type="file" multiple /> (specification).
Browser support is q...
pandas dataframe columns scaling with sklearn
...MinMaxScaler()
>>> dfTest = pd.DataFrame({'A':[14.00,90.20,90.95,96.27,91.21],
'B':[103.02,107.26,110.35,114.23,114.68],
'C':['big','small','big','small','small']})
>>> dfTest[['A', 'B']] = scaler.fit_transform(dfTest[['A', 'B...
How to call a PHP function on the click of a button
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96
Yes, you need Ajax here. Please refer to the code below for more details.
Change your mark...
How can I see the size of files and directories in linux? [closed]
...or help
--- / ---------------------------------------------------------
. 96,1 GiB [##########] /home
. 17,7 GiB [# ] /usr
. 4,5 GiB [ ] /var
1,1 GiB [ ] /lib
732,1 MiB [ ] /opt
. 275,6 MiB [ ] /boot
198,0 MiB [ ] /storage
. 153,5 MiB ...
Command-line svn for Windows?
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96
The subversion client itself is available on Windows. See here for certified binaries from Coll...
Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
...ector
@@ -0,0 +1 @@
+Subproject commit c3f01dc8862123d317dd46284b05b6892c7b29bc
虽然 DbConnector 是工作目录中的一个子目录，但 Git 还是会将它视作一个子模块。当你不在那个目录中时，Git 并不会跟踪它的内容， 而是将它看作子模块仓库中...
What is the difference between encode/decode?
...rmation; it is meaningless for human eyes.
For example,'\xe4\xb8\xad\xe6\x96\x87' is the representation of two Chinese characters, but the computer only knows (meaning print or store) it is Chinese Characters when they are given a dictionary to look for that Chinese word, in this case, it is a "utf...