db.collection.find({ "field" : { $lt: value } } ); // less than : field < value db.collection.find({ "field" : { $gte: value } } ); // greater than or equal to : field >= value db.collection.find({ "field" : { $lte: value } } ); // less than or equal to : f...
Less than:a < b Less than or equal to:a <= b Greater than:a > b Greater than or equal to:a >= b These conditions can be used in several ways, most commonly in "if statements" and loops. An "if statement" is written by using theifkeyword. ...
ifthe_array[i]<the_array[i-1]: # if new_run is set to None (NULL) ifnotnew_run: runs.append([the_array[i]]) new_run.append(the_array[i]) else: runs.append(new_run) new_run=[] # else if its equal to or more than else: new_run.append(the_array[i]) # for every item...
If max_workers is None or not given, it will default to the number of processors on the machine. If max_workers is lower or equal to 0, then a ValueError will be raised. 6 7 8 #用法 9 from concurrent.futures import ThreadPoolExecutor,ProcessPoolExecutor 10 11 import os,time,random 12...
If maxsize is less than or equal to zero, the queue size is infinite. The lowest valued entries are retrieved first (the lowest valued entry is the one returned by sorted(list(entries))[0]). A typical pattern for entries is a tuple in the form: (priority_number, data). exception que...
obvious at first unless you're Dutch.Now is better than never.Although never is often better than*right*now.If the implementation is hard to explain,it's a bad idea.If the implementation is easy to explain,it may be a good idea.Namespaces are one honking great idea--let'sdomoreofthose...
| between the two objects is more than the given delta. | | Note that decimal places (from zero) are usually not the same | as significant digits (measured from the most signficant digit). | | If the two objects compare equal then they will automatically ...
List/tuple must be of length equal to the number of columns. float_format : one-parameter function, optional, default None Formatter function to apply to columns' elements if they are floats. This function must return a unicode string and will be applied only to the non-``NaN`` elements...
Please ensure that your computer has Python (greater than or equal to 3.6) and Physics Laboratory PC Version (You can also contact developer Jone Chen) Enter in cmd or shell: pip install physicsLab If you can't wait to use some new features, the beta version can usually be found on ...
Return a random integer greater than or equal toaand less than or equal tob. rndf(a, b) Return a random floating-point number greater than or equal toaand less than or equal tob. nseed(seed) Set the seed of Perlin noise. noise(x, [y], [z]) ...