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Sample settings.xml for maven
... implied. See the License for the
specific language governing permissions and limitations
under the License.
-->
Main docs and top:
<!--
| This is the configuration file for Maven. It can be specified at two levels:
|
| 1. User Level. This settings.xml file provides configuration for a s...
Associative arrays in Shell scripts
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To add to Irfan's answer, here is a shorter and faster version of get() since it requires no iteration over the map contents:
get() {
mapName=$1; key=$2
map=${!mapName}
value="$(echo $map |sed -e "s/.*--${key}=\([^ ]*\).*/\1/" -e 's/:SP:/ /g' )"
}
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How to shrink/purge ibdata1 file in MySQL
... new table (B), import the data into B, submit a query to get what I need, and then I drop B and drop A.
8 Answers
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What does && mean in void *p = &&abc;
... defined in the current function.
void *p = &&abc is illegal in standard C99 and C++.
This compiles with g++.
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How do I write a bash script to restart a process if it dies?
I have a python script that'll be checking a queue and performing an action on each item:
8 Answers
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Redis is single-threaded, then how does it do concurrent I/O?
...pends on how you define concurrency.
In server-side software, concurrency and parallelism are often considered as different concepts. In a server, supporting concurrent I/Os means the server is able to serve several clients by executing several flows corresponding to those clients with only one com...
Receive result from DialogFragment
...tFragment(this, MY_REQUEST_CODE) from the place where you show the dialog, and then when your dialog is finished, from it you can call getTargetFragment().onActivityResult(getTargetRequestCode(), ...), and implement onActivityResult() in the containing fragment.
It seems like an abuse of onActivity...
python setup.py uninstall
...setup.py install use pip install .
You need to remove all files manually, and also undo any other stuff that installation did manually.
If you don't know the list of all files, you can reinstall it with the --record option, and take a look at the list this produces.
To record a list of installed ...
Configuring diff tool with .gitconfig
...ld, xxdiff, emerge, vimdiff, gvimdiff, ecmerge, diffuse, opendiff, p4merge and araxis), and also allows you to specify your own. To use one of the pre-configured difftools (for example, "vimdiff"), you add the following lines to your ~/.gitconfig:
[diff]
tool = vimdiff
Now, you will be able t...
How can I recover the return value of a function passed to multiprocessing.Process?
...m each process, where one value is the actual return value you care about, and the other is a unique identifier from the process. But I also wonder why you need to know which process is returning which value. If that what you actually need to know about the process, or do you need to correlate betwe...