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Why can't a text column have a default value in MySQL?

...or, while on other platforms it is often a warning. While not a bug, it's possible to get trapped by this if you write code on a lenient platform, and later run it on a strict platform: Personally, I do view this as a bug. Searching for "BLOB/TEXT column can't have a default value" returns about ...
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Truncate all tables in a MySQL database in one command?

...this solution requires only DB access and not SSH access. In addition it's OS-independent. – mastazi Mar 29 '17 at 23:43 ...
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How to scale threads according to CPU cores?

... Hi, okay, didn't know, that this is possible. but when I split one task into several workunits and I need all part solution for the final workstep, how is this done? When I have several "yourThreads" how to I use join() for this, because I don't see, how these s...
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Is there a list of Pytz Timezones?

I would like to know what are all the possible values for the timezone argument in the Python library pytz. How to do it? 7...
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Cython: “fatal error: numpy/arrayobject.h: No such file or directory”

... I tried your idea, but now i get this crazy error that is too long to post here, but it starts with warning: untitled.pyx:8:49: Buffer unpacking not optimized away. – Noob Saibot Feb 2 '13 at 2:32 ...
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Why can't Python find shared objects that are in directories in sys.path?

...debugging a new library or using a nonstandard library for special purposes. The environment variable LD_PRELOAD lists shared libraries with functions that override the standard set, just as /etc/ld.so.preload does. These are implemented by the loader /lib/ld-linux.so. I should note ...
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apache to tomcat: mod_jk vs mod_proxy

... A pros/cons comparison for those modules exists on http://blog.jboss.org/ mod_proxy * Pros: o No need for a separate module compilation and maintenance. mod_proxy, mod_proxy_http, mod_proxy_ajp and mod_proxy_balan...
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MVC pattern on Android

Is it possible to implement the model–view–controller pattern in Java for Android? 21 Answers ...
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Convert from enum ordinal to enum type

... This is almost certainly a bad idea. Certainly if the ordinal is de-facto persisted (e.g. because someone has bookmarked the URL) - it means that you must always preserve the enum ordering in future, which may not be obvious to code mai...
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Exposing a port on a live Docker container

...ontainer that acts like a full-on virtual machine. I know I can use the EXPOSE instruction inside a Dockerfile to expose a port, and I can use the -p flag with docker run to assign ports, but once a container is actually running, is there a command to open/map additional ports live? ...