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Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign
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If you have changed the length of a varchar field in the database and the XML contained in the XSS file has not picked it up, find the field name and attribute definition in the XML and change it manually.
Remove primary keys from select lists in table adapters if they are not related to the data ...
How to raise a ValueError?
... name for this function. Adding to the possible confusion is the fact that Python already has a container object method named __contains__() that does something a little different, membership-testing-wise.
def contains(char_string, char):
largest_index = -1
for i, ch in enumerate(char_strin...
Building vs. Compiling (Java)
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Actually you are doing the same thing. Ant is build system based on XML configuration files that can do a wide range of tasks related to compiling software. Compiling your java code is just one of those tasks. There are many others such as copying files around, configuring servers, assembling...
When to use pip requirements file versus install_requires in setup.py?
I'm using pip with virtualenv to package and install some Python libraries.
4 Answers
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Install NPM into home directory with distribution nodejs package (Ubuntu)
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Because python does already a great job virtualenv, I use nodeenv. Compared to nvm, you can create multiple environments for the same node version (e.g. two environments for node 0.10 but with different sets of packages).
ENVNAME=de...
Pros and cons to use Celery vs. RQ [closed]
Currently I'm working on python project that requires implement some background jobs (mostly for email sending and heavily database updates). I use Redis for task broker. So in this point I have two candidates: Celery and RQ . I had some experience with these job queues, but I want to ask you guy...
Clear text from textarea with selenium
...rom selenium.webdriver.common.keys import Keys
#...your code (I was using python 3)
driver.find_element_by_id('foo').send_keys(Keys.CONTROL + "a");
driver.find_element_by_id('foo').send_keys(Keys.DELETE);
share
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Django: How to completely uninstall a Django app?
...te the app directory from your project directory or other location on your PYTHONPATH where it resides.
(optional) If the app stored media files, cache files, or other temporary files somewhere, you may want to delete those as well. Also be wary of lingering session data that might be leftover from ...
Junit: splitting integration test and Unit tests
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I think there's an error in your last pom.xml fragment. you pasted the same snippet as for "test" phase. it still excludes the integration tests and also is not bound to any maven phase.
– Alex
May 30 '12 at 1:34
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UnicodeDecodeError, invalid continuation byte
...>>> u'\xe9'.encode('latin-1')
b'\xe9'
(Note, I'm using a mix of Python 2 and 3 representation here. The input is valid in any version of Python, but your Python interpreter is unlikely to actually show both unicode and byte strings in this way.)
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