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What requirement was the tuple designed to solve?
...ting programs it is extremely common to want to logically group together a set of values which do not have sufficient commonality to justify making a class.
Many programming languages allow you to logically group together a set of otherwise unrelated values without creating a type in only one way...
How to animate the change of image in an UIImageView?
... (graphic file), and want to display that in this UIImageView . If I just set
14 Answers
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Run an OLS regression with Pandas Data Frame
I have a pandas data frame and I would like to able to predict the values of column A from the values in columns B and C. Here is a toy example:
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你需要TrustedInstaller提供的权限才能对此文件进行更改 - 更多技术 - 清泛...
...限"
[HKEY_CLASSES_ROOT\*\shell\runas\command]
@="cmd.exe /c takeown /f \"%1\" && icacls \"%1\" /grant administrators:F"
"IsolatedCommand"="cmd.exe /c takeown /f \"%1\" && icacls \"%1\" /grant administrators:F"
[HKEY_CLASSES_ROOT\Directory\shell\runas]
@="获取TrustedInstaller权限"
"NoW...
How do I make a branch point at a specific commit? [duplicate]
...
You can make master point at 1258f0d0aae this way:
git checkout master
git reset --hard 1258f0d0aae
But you have to be careful about doing this. It may well rewrite the history of that branch. That would create problems if you have published it and other ...
Python - How to sort a list of lists by the fourth element in each list? [duplicate]
I would like to sort the following list of lists by the fourth element (the integer) in each individual list.
2 Answers
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When should I use genetic algorithms as opposed to neural networks? [closed]
Is there a rule of thumb (or set of examples) to determine when to use genetic algorithms as opposed to neural networks (and vice-versa) to solve a problem?
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How to modify memory contents using GDB?
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The easiest is setting a program variable (see GDB: assignment):
(gdb) l
6 {
7 int i;
8 struct file *f, *ftmp;
9
(gdb) set variable i = 10
(gdb) p i
$1 = 10
Or you can just update arbitrary (writable) location b...
Cluster analysis in R: determine the optimal number of clusters
... the best number of clusters to do a k-means analysis. After plotting a subset of below data, how many clusters will be appropriate? How can I perform cluster dendro analysis?
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How to pass in password to pg_dump?
...uding the last paragraph where it explains it will be ignored if you don't set the mode to 0600).
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