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How to get object length [duplicate]
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562
For browsers supporting Object.keys() you can simply do:
Object.keys(a).length;
Otherwise (no...
What is pip's equivalent of `npm install package --save-dev`?
...more info about a better pip workflow to better handle pip updates.
Edit 2
Linked from the "better pip workflow" article above it is now recommended to use pipenv to manage requirements and virtual environments. Having used this a lot recently I would like to summarise how simple the transition i...
Android - Pulling SQlite database android device
...ted Sep 5 '17 at 3:43
dakshbhatt21
3,18822 gold badges2626 silver badges3737 bronze badges
answered Apr 3 '12 at 17:12
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what is the most efficient way of counting occurrences in pandas?
I have a large (about 12M rows) dataframe df with say:
3 Answers
3
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Calendar date to yyyy-MM-dd format in java
...Pattern("yyyy-MM-dd", Locale.ENGLISH);
System.out.println(ldt);
// Output "2018-05-12T17:21:53.658"
String formatter = formmat1.format(ldt);
System.out.println(formatter);
// 2018-05-12
Prior to Java 8
You should be making use of the ThreeTen Backport
The following is maintained for historical ...
How do iOS Push Notifications work?
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answered Jun 23 '13 at 16:09
Panama JackPanama Jack
22.4k99 gold badges5555 silver badges8787 bronze badges
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What is the JavaScript >>> operator and how do you use it?
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213
It doesn't just convert non-Numbers to Number, it converts them to Numbers that can be express...
How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?
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249
FYI, I combined Keremk's answer with my original outline, cleaned-up the typos, generalized it...
CSS image resize percentage of itself?
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I have 2 methods for you.
Method 1. demo on jsFiddle
This method resize image only visual not it actual dimensions in DOM, and visual state after resize centered in middle of original size.
html:
<img class="fake" src="example.pn...