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What is the difference between a deep copy and a shallow copy?
... which stores multiple data items. In python we have tuple,list,dictionery,etc
– Murphy
Aug 9 '16 at 3:58
2
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PostgreSQL error: Fatal: role “username” does not exist
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It is impossible to run sudo etc as user postgres... How to install a program? See this S2geometry installation problem.
– Peter Krauss
Oct 17 '18 at 15:06
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Xcode build failure “Undefined symbols for architecture x86_64”
...on
I had several targets in Xcode with several schemas ( Production , Dev etc ) .. some of my newly added implementation ( Class.m ) were missing in
Xcode->Targets->Build Phases->Compile Sources
So I had to add them manually.
then I could compile & build successfully.
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Why is sizeof considered an operator?
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int a;
printf("%d\n", sizeof a);
Function does have entry point, code, etc. Function is to be run at runtime (or inlined), sizeof has to be determined at compile-time.
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Regular Expression For Duplicate Words
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Great, works with apostrophes/hyphens/etc. too - thanks!
– user993683
May 13 '15 at 0:45
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Setting the zoom level for a MKMapView
...(ZoomLevel)
@property (assign, nonatomic) NSUInteger zoomLevel;
- (void)setCenterCoordinate:(CLLocationCoordinate2D)centerCoordinate
zoomLevel:(NSUInteger)zoomLevel
animated:(BOOL)animated;
@end
@implementation MKMapView (ZoomLevel)
- (void)setZoomLevel:(NS...
Best way to stress test a website [duplicate]
...asy to record scenarios for virtual users. I tested my SPA (with requirejs etc.) and it works.
– opengrid
Jan 15 '13 at 13:15
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Convert a list to a data frame
...r. It returns a honest data.frame. All the data types (character, numeric, etc) are correctly transformed. If the list has different data types their will be all transformed to character with matrix approach.
– Roah
Aug 24 '13 at 14:00
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Sublime Text 2 - Show file navigation in sidebar
... even save your current setup (cells setup, opened files, unsaved changes, etc...), this makes it easy to hotswitch between multiple projects without loosing control and unsaved changes which could be unsafe to be saved right now, but would be a loss if you just ditched them.
(Just be sure to have ...
How do I convert a IPython Notebook into a Python file via commandline?
...e from V3 or V4 ipynb without using ipython. It does not check cell types, etc.
import sys,json
f = open(sys.argv[1], 'r') #input.ipynb
j = json.load(f)
of = open(sys.argv[2], 'w') #output.py
if j["nbformat"] >=4:
for i,cell in enumerate(j["cells"]):
of.write("#cell "+st...