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Comparing two dataframes and getting the differences
...asy way to add a flag to this to see which rows were removed/added/changed from df1 to df2?
– pyCthon
Nov 23 '15 at 20:07
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conversion from string to json object android
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To get a JSONObject or JSONArray from a String I've created this class:
public static class JSON {
public Object obj = null;
public boolean isJsonArray = false;
JSON(Object obj, boolean isJsonArray){
this.obj = obj;
th...
DateTime.ToString() format that can be used in a filename or extension?
...lar situation but I want a consistent way to be able to use DateTime.Parse from the filename as well, so I went with
DateTime.Now.ToString("s").Replace(":", ".") // <-- 2016-10-25T16.50.35
When I want to parse, I can simply reverse the Replace call. This way I don't have to type in any yymmdd...
Running bash script from within python
...cify the full path to it e.g., if it is in the current working directory:
from subprocess import call
rc = call("./sleep.sh")
If the script has no shebang then you need to specify shell=True:
rc = call("./sleep.sh", shell=True)
If the script has no executable permissions and you can't change ...
How do I contribute to other's code in GitHub? [closed]
...orked a project, you can develop in any branch you want (a new one, or one from the original project)
Remember to:
add the original project as a remote (different form 'origin', since origin would be your own repo, result of the fork)
rebase your branch on top of the branch of the original repo y...
Ways to circumvent the same-origin policy
...company.com.
With this method, you would be allowed to exectue javascript from an iframe sourced on a subdomain on a page sourced on the main domain. This method is not suited for cross-domain resources as browsers like Firefox will not allow you to change the document.domain to a completely alien ...
Creating a daemon in Linux
...process group leader of the new process group. The process is now detached from its controlling terminal (CTTY).
Catch signals - Ignore and/or handle signals.
fork again & let the parent process terminate to ensure that you get rid of the session leading process. (Only session leaders may get a ...
Why we should not use protected static in java
...g cleaner and allows the people sub-classing more flexibility. Quite apart from anything else in many cases composition is preferable to inheritance, while abstract classes force inheritance.
To see one example of how this could break things and to illustrate what I mean by the variable not having ...
Find size of Git repository
...space, merge, aliases, user
details etc.)
stashes (see Can I fetch a stash from a remote repo into a local branch? also)
rerere cache (which can get considerable)
reflogs
backups (from filter-branch, e.g.) and various other things (intermediate
state from rebase, bisect etc.)
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How to create a GUID/UUID in Python
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Copied from : https://docs.python.org/2/library/uuid.html (Since the links posted were not active and they keep updating)
>>> import uuid
>>> # make a UUID based on the host ID and current time
>>> uuid....