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Eclipse says: “Workspace in use or cannot be created, chose a different one.” How do I unlock a work
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Just delete the .lock file in the .metadata directory in your eclipse workspace directory.
Precaution - If you delete the .metadata folder all preference will be deleted.
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How do I rename my Git 'master' branch to 'release'?
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You are using github or something similar, you need to make the default branch something else: matthew-brett.github.com/pydagogue/gh_delete_master.html or just leave master there and ignore it.
– Adam Dymitruk
Ja...
Can Python print a function definition?
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Functions that are created at runtime (including the interactive prompt) don't have a file or linenumber either, which makes sense
– John La Rooy
Oct 13 '09 at 20:57
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How to change menu item text dynamically in Android
I'm trying to change the title of a menu item from outside of the onOptionsItemSelected(MenuItem item) method.
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How to import data from mongodb to pandas?
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pymongo might give you a hand, followings are some codes I'm using:
import pandas as pd
from pymongo import MongoClient
def _connect_mongo(host, port, username, password, db):
""" A util for making a connection to mongo """
if username and password:
mon...
MySQL and GROUP_CONCAT() maximum length
...ecute("SET SESSION group_concat_max_len = ..."); inside the Dao initialize method but as keatkeat has stated, this is only temporary. If anyone knows the right way to make this change permanently pls let me know
– IcedDante
Nov 18 '14 at 22:42
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Autocompletion in Vim
...matic code completion as you type.
2015 Edit: I personally use YouCompleteMe now.
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Covariance and contravariance real world example
...have a class Person and a class that derives from it, Teacher. You have some operations that take an IEnumerable<Person> as the argument. In your School class you have a method that returns an IEnumerable<Teacher>. Covariance allows you to directly use that result for the methods that...
JQuery to check for duplicate ids in a DOM
... already discovered three places where I have duplicate IDs. it frustrates me slightly that most peoples solution to this problem is to use 'firebug' or 'html validator'. thats not good enough! i want to catch the unexpected duplicates in wierd situations.
– Simon_Weaver
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How to take a screenshot programmatically on iOS
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