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How do I increase the number of displayed lines of a Java stack trace dump?
...re
The causes are displayed from the most nested one at the bottom (the "root cause"), to the one which the printed stack trace belongs to.
In this case the root cause is LowLevelException, which caused MidLevelException, which caused HighLevelException.
To get the complete stack trace you have ...
RVM is not working in ZSH
.../usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/git/bin:/usr/local/mysql/bin:/opt/local/bin"
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Stash only one file out of multiple files that have changed with Git?
...bar.txt. The patch generates OK, but I then need to move to the repository root to get the patch to apply. So if you're having trouble with this - just make sure you're doing it from the repository root directory.
– Michael Anderson
Jun 3 '16 at 6:23
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Heroku Postgres - terminate hung query (idle in transaction)
...icient:
select pg_terminate_backend(1234);
If you have shell access and root or postgres permissions you can also do it from the shell. To "cancel" one can do:
kill -INT 1234
and to "terminate", simply:
kill 1234
DO NOT:
kill -9 1234
... that will often result in the the whole postgres ...
How to customize a requirements.txt for multiple environments?
...equirements into a modular folder hierarchy like this:
`-- django_project_root
|-- requirements
| |-- common.txt
| |-- dev.txt
| `-- prod.txt
`-- requirements.txt
The files' contents would look like this:
common.txt:
# Contains requirements common to all environments
req1==1.0
req2==1.0
r...
What would be C++ limitations compared C language? [closed]
...er having programmed in C++ for over 15 years I've been rediscovering my C roots. I must say that while there are good features in C++ that makes life easier there are also a load of pitfalls and a kind of "there-is-always-a-better-way" of doing things. You never
How to get an array of specific “key” in multidimensional array without looping
Let's assume I have the following multidimensional array (retrieved from MySQL or a service):
4 Answers
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How do I append text to a file?
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How can i do this when the file need root permission?
– UselesssCat
Jul 18 '17 at 13:52
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Most efficient conversion of ResultSet to JSON?
...rd with the reading. I think Oracle cursor are server side by default. For MySQL > 5.0.2 look for useCursorFetch at connection url paramenter. Check about your favourite DBMS.
1: So to use less memory we must:
use server side cursor behind the scene
use resultset open as read only and, of cour...
What is a CSRF token ? What is its importance and how does it work?
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The root of it all is to make sure that the requests are coming from the actual users of the site. A csrf token is generated for the forms and Must be tied to the user's sessions. It is used to send requests to the server, in whi...