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Laravel Eloquent groupBy() AND also return count of each group
...: Total Records: 10; Internet Explorer 8: 2; Chrome 25: 4; Firefox 20: 4. (All adding up to 10)
10 Answers
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How to randomize (or permute) a dataframe rowwise and columnwise?
...form convert into data.frame
use the sample function from the base package
indexes = sample(1:nrow(df1), size=1*nrow(df1))
Random Samples and Permutations
Java: Get last element after split
...or example "-" or "---", bits.length will be 0 and this will throw an ArrayIndexOutOfBoundsException. Example: https://onlinegdb.com/r1M-TJkZ8
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MFC CString::Format()函数详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...殊意义，比如"%6s"
格式指令具有以下的形式：
"%" [index ":"] ["-"] [width] ["." prec] type
它是以"%"开始,而以type结束，type表示一个具体的类型。中间是用来格式化type类型的指令字符，是可选的。
先来看看type,type可以是以下...
JComboBox Selection Change Listener?
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You may try these
int selectedIndex = myComboBox.getSelectedIndex();
-or-
Object selectedObject = myComboBox.getSelectedItem();
-or-
String selectedValue = myComboBox.getSelectedValue().toString();
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How to see an HTML page on Github as a normal rendered HTML page to see preview in browser, without
...://htmlpreview.github.io/?https://github.com/bartaz/impress.js/blob/master/index.html
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How to delete multiple values from a vector?
... yes it is similar, but different in a few points of view. which returns indexes of TRUE values. So minus sign can be used to say "the indexes other than these indexes". Also which is more readable since it is closer to the natural language.
– ibilgen
Apr 10 ...
Is there a way to make AngularJS load partials in the beginning and not at when needed?
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Does this also work for templates on the index file? I have an ng-view and ng-include in my index file and I'm having trouble getting my application to show up.
– Batman
Oct 19 '14 at 9:47
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Biggest GWT Pitfalls? [closed]
...at I am suggesting, the back button will work great, so will search engine indexing etc.
The other commenters also had some good suggestions. The rule of thumb i use is to create pages like you were doing a standard web page. Then carve out the pieces that need to be dynamic. Replace them with ele...
Pandas get topmost n records within each group
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EDIT: As mentioned by the questioner, use df.groupby('id').head(2).reset_index(drop=True) to remove the multindex and flatten the results.
>>> df.groupby('id').head(2).reset_index(drop=True)
id value
0 1 1
1 1 2
2 2 1
3 2 2
4 3 1
5 4 1
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