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Remove unwanted parts from strings in a column
...ings in a column?
6 years after the original question was posted, pandas now has a good number of "vectorised" string functions that can succinctly perform these string manipulation operations.
This answer will explore some of these string functions, suggest faster alternatives, and go into a ti...
Why do I get access denied to data folder when using adb?
... com.yourapp
cd /data/data/com.yourapp
ls -l
exit
Note 1: there is a known issue with some HTC Desire phones. Because of a non-standard owner/permissions of the /data/data directory, run-as command fails to run on those phones.
Note 2: As pointed in the comments by @Avio:
run-as has issues al...
Rename master branch for both local and remote Git repositories
...te
However this has a lot of caveats. First, no existing checkouts will know about the rename - git does not attempt to track branch renames. If the new master doesn't exist yet, git pull will error out. If the new master has been created. the pull will attempt to merge master and master-old. So i...
How does Go compile so quickly?
...in a really fast compiler working on 286-class hardware. I think that even now, modern Pascal compilers (e.g. FreePascal) are faster than Go compilers.
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Missing file warnings showing up after upgrade to Xcode 4
I recently upgraded to Xcode 4 (which is a great upgrade) but now I'm getting some warnings that I did not get before. I have looked through forums and other SO posts but have not come across how to fix this.
...
How does “cat
...;<EOF
SELECT foo, bar FROM db
WHERE foo='baz'
EOF
)
The $sql variable now holds the new-line characters too. You can verify with echo -e "$sql".
2. Pass multi-line string to a file in Bash
$ cat <<EOF > print.sh
#!/bin/bash
echo \$PWD
echo $PWD
EOF
The print.sh file now contains:
...
Javascript object Vs JSON
...est-of-drawers in the post, so you dismantle it (read, stringify it). It's now useless in terms of furniture. It is now JSON. Its in flat pack form.
{"color":"red","numberOfDrawers":4}
When you receive it, you then rebuild the chest-of-drawers (read, parse it). Its now back in an object form.
Th...
Inserting image into IPython notebook markdown
...IPython 2.0, the files/ prefix is no longer needed (cf. release notes). So now the solution <img src="image.png"> simply works as expected.
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What does the Java assert keyword do, and when should it be used?
...perfect. The main reason for this are pointers: they can point anywhere or nowhere, therefore they cannot be calculated to be of this exact value, at least not within a reasonable span of code. Given this problem, there is no way to prove that your code is correct at a whole. But what you can do is ...
Installing Apple's Network Link Conditioner Tool
...
I mean, what is the standard place to install it on disk now that /Developer is no more?
– Heath Borders
May 11 '12 at 4:25
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