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Difference between GeoJSON and TopoJSON
What is the difference between GeoJSON and TopoJSON and when would I use one over the other?
3 Answers
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SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)
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Since 3.24.0 SQLite also supports upsert, so now you can simply write the following
INSERT INTO visits (ip, hits)
VALUES ('127.0.0.1', 1)
ON CONFLICT(ip) DO UPDATE SET hits = hits + 1;
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Undoing accidental git stash pop
...some local changes before doing a complicated merge, did the merge, then stupidly forgot to commit before running git stash pop . The pop created some problems (bad method calls in a big codebase) that are proving hard to track down. I ran git stash show , so I at least know which files were cha...
How to convert CharSequence to String?
How can I convert a Java CharSequence to a String ?
3 Answers
3
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'No Transport' Error w/ jQuery ajax call in IE
I need to use foursquare API to search venues. Of course it is cross-domain.
5 Answers
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When to use ko.utils.unwrapObservable?
I've written a few custom bindings using KnockoutJS. I'm still unsure when to use ko.utils.unwrapObservable(item) Looking at the code, that call basically checks to see if item is an observable. If it is, return the value(), if it's not, just return the value. Looking at the section on Knockout ...
How to configure 'git log' to show 'commit date'
How can I configure git log to show commit date instead of author date ?
3 Answers
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Saving grid.arrange() plot to file
I am trying to plot multiple plots using ggplot2 , arranging them using grid.arrange() .
Since I managed to find someone describing the exact problem I have, I have quoted from the problem description from link :
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Why {} + {} is NaN only on the client side? Why not in Node.js?
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Updated note: this has been fixed in Chrome 49.
Very interesting question! Let's dig in.
The root cause
The root of the difference is in how Node.js evaluates these statements vs. how the Chrome development tools do.
What...
How to create full compressed tar file using Python?
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To build a .tar.gz (aka .tgz) for an entire directory tree:
import tarfile
import os.path
def make_tarfile(output_filename, source_dir):
with tarfile.open(output_filename, "w:gz") as tar:
tar.add(source_dir, arcname...