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How to save all the variables in the current python session?

...y in dir(): try: my_shelf[key] = globals()[key] except TypeError: # # __builtins__, my_shelf, and imported modules can not be shelved. # print('ERROR shelving: {0}'.format(key)) my_shelf.close() To restore: my_shelf = shelve.open(filename) for key i...
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Maximum execution time in phpMyadmin

When I try to execute (some) queries in phpMyadmin I get this error 12 Answers 12 ...
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How does git compute file hashes?

... kenorb 105k4949 gold badges542542 silver badges577577 bronze badges answered Mar 5 '15 at 15:35 LordbalmonLor...
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relative path in require_once doesn't work

... There is now a troubleshooting checklist for this frequent error here : stackoverflow.com/a/36577021/2873507 – Vic Seedoubleyew Apr 12 '16 at 15:24 ...
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How to detect first time app launch on an iPhone

... I get an error because the method isn't returning a boolean value. If I use return 0; to kill the error it fails. – mrEmpty Nov 22 '13 at 17:17 ...
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MySQL, update multiple tables with one query

... | edited Dec 5 '10 at 23:05 answered Dec 5 '10 at 22:59 co...
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Checkout another branch when there are uncommitted changes on the current branch

...arse branch1:P produces a hash. That file is not in branch1 if you get an error message instead. The existence of path P in your index or work-tree is not relevant when answering this particular question. Thus, the secret here is to examine the result of git rev-parse on each branch-name:path. T...
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What is the difference between const_iterator and non-const iterator in the C++ STL?

...}; std::vector<int>::const_iterator cit = v.begin(); // Compile time error: cannot modify container with const_iterator. //*cit = 1; As shown above, v.begin() is const overloaded, and returns either iterator or const_iterator depending on the const-ness of the container variable: How does ...
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Use of def, val, and var in scala

...abels from def and val cannot be reassigned, and in case of any attempt an error like the below one will be raised: scala> something = 5 * 6 <console>:8: error: value something_= is not a member of object $iw something = 5 * 6 ^ When the class is defined like: scala> cl...
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In which order should floats be added to get the most precise result?

... (also known as compensated summation) significantly reduces the numerical error in the total obtained by adding a sequence of finite precision floating point numbers, compared to the obvious approach. This is done by keeping a separate running compensation (a variable to accumulate small errors). ...