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How can I move a tag on a git branch to a different commit?
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This only works if you haven't pushed the code off your machine. If you have, the best answer is 'there's plenty of numbers in the world' as it's probably not worth the hassle.
– Chris Huang-Leaver
Feb...
Passing parameters to JavaScript files
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I'd recommend not using global variables if possible. Use a namespace and OOP to pass your arguments through to an object.
This code belongs in file.js:
var MYLIBRARY = MYLIBRARY || (function(){
var _args = {}; // private
return {
init : function(...
Comparing two dataframes and getting the differences
...rames axes are compared with _indexed_same method, and exception is raised if differences found, even in columns/indices order.
If I got you right, you want not to find changes, but symmetric difference. For that, one approach might be concatenate dataframes:
>>> df = pd.concat([df1, df2]...
The simplest way to comma-delimit a list?
...e unnecessary assignment every loop, but I bet it's more efficient than an if. Most solutions repeat a test we know won't be true - though inefficient, they're probably the clearest. Thanks for the link!
– 13ren
Mar 21 '09 at 12:03
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How to count the number of files in a directory using Python
...s.listdir() will be slightly more efficient than using glob.glob. To test if a filename is an ordinary file (and not a directory or other entity), use os.path.isfile():
import os, os.path
# simple version for working with CWD
print len([name for name in os.listdir('.') if os.path.isfile(name)])
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Why does Java's hashCode() in String use 31 as a multiplier?
...on stackoverflow):
The value 31 was chosen because it is an odd prime. If it were even and the multiplication overflowed, information would be lost, as multiplication by 2 is equivalent to shifting. The advantage of using a prime is less clear, but it is traditional. A nice property of 31 is tha...
java.nio.file.Path for a classpath resource
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@VGR if resources in .jar file could try this ` Resource resource = new ClassPathResource("usage.txt"); BufferedReader reader = new BufferedReader(new InputStreamReader(resource.getInputStream()));` please see stackoverflow.c...
What is The difference between ListBox and ListView
What is the difference between WPF's ListBox and ListView? I can not find any significant difference in their properties. Is there different typical use?
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Zero-pad digits in string
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@KonradRudolph If i have pass as digit value as integer that time given error, If pass as string that time not problem
– Hiren Bhut
Feb 1 '18 at 11:45
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Why does Eclipse Java Package Explorer show question mark on some classes?
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It means the class is not yet added to the repository.
If your project was checked-out (most probably a CVS project) and you added a new class file, it will have the ? icon.
For other CVS Label Decorations, check http://help.eclipse.org/help33/index.jsp?topic=/org.eclipse.platfo...