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Change computer name for a TFS Workspace
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+1 If in the meantime you have already remapped the paths in a new local workspace this command will fail with a "path already mapped" error. You have to delete the new local workspace, then launch the command
– onof
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Generate list of all possible permutations of a string
...) tells us that (s,t)-combination is equivalent to s+1 things taken t at a time with repetition -- an (s,t)-combination is notation used by Knuth that is equal to . We can figure this out by first generating each (s,t)-combination in binary form (so, of length (s+t)) and counting the number of 0's t...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...this code and i was able to detect the paper clearly, but it takes so much time. Is the code really heavy? there is an app called SayText where this detection happens in real-time from a video stream. This code would be impractical for real-time, am I right?
– alandalusi
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How to replace case-insensitive literal substrings in Java
...t gets me about the String class is this: It's been around for a very long time and while it supports a global replace with regexp and a global replace with Strings (via CharSequences), that last doesn't have a simple boolean parameter: 'isCaseInsensitive'. Really, you'd've thought that just by add...
Efficiency of Java “Double Brace Initialization”?
...will need to read all those classes when using them, that can lead to some time in the bytecode verfication process and such. Not to mention the increase in the needed disk space in order to store all those class files.
It seems as if there is a bit of overhead when utilizing double-brace initializ...
How to get the seconds since epoch from the time + date output of gmtime()?
How do you do reverse gmtime() , where you put the time + date and get the number of seconds?
6 Answers
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Immutable vs Mutable types
... that's complicated by the fact that augmented assignment, like a += b sometimes is mutation. And the fact that assignment to part of a larger object sometimes means mutation of that larger object, just never mutation of the part—e.g., a[0] = b doesn't mutate a[0], but it probably does mutate a…...
When is it better to use String.Format vs string concatenation?
...ot check the parameters against the format string and you end up with a runtime error (that is, if you're lucky enough not to have it in an obscure method, such as logging an error). With concatenation, removing a parameter is less error prone. You could argue the chance of error is very small, but ...
Finding what methods a Python object has
...omma at the end of the print, makes it printing
# in the same line, 4 times (count)
print "| {0: <20}".format(method),
count += 1
if count == 4:
count = 0
print
dir_attributes.py (Python 3.4.3)
#!/usr/bin/python3
""" Demonstrates the usage of dir(), with better o...
Find and replace strings in vim on multiple lines
...t;/g
:14,18s/<search_string>/<replace_string>/g
The second time all you need to adjust is the range so instead of typing it all out, I would recall the last command and edit just the range
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