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How to get default gateway in Mac OSX

...s can be useful when you are using your result directly in some program or batch job. netstat -rn | grep 'default' | awk '{print $2}' The awk command tells to match and print the second column of the result in the text. The final result thus looks like this: 192.168.195.1 In this case, netstat...
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How can I distribute python programs?

...Miniconda/Anaconda first (like a runtime environment). Then single install batch/bash script creates isolated conda environment from yaml spec. The application is also a conda/pip package itself that is installed to environment and an executable ent
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How unique is UUID?

...n 1 UUIDs in a second to encounter a duplicate; one must merely generate a batch of 16,384 UUIDs within the span of a single "tick" in order to overflow the sequence number. I have seen this happen with an implementation that relied, naively, on a clock source that (1) had μs-level granularity, an...
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Why is Hibernate Open Session in View considered a bad practice?

...which can, in turn, trigger N+1 query problems. Although Hibernate offers @BatchSize for fetching associations in batches, and FetchMode.SUBSELECT to cope with this scenario, the annotations are affecting the default fetch plan, so they get applied to every business use case. For this reason, a data...
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Boolean literals in PowerShell

... file named installmyapp.ps1: param ( [bool]$cleanuprequired ) echo "Batch file starting execution." Now if I've to invoke this PS file from a PS command line, this is how I can do it: installmyapp.ps1 -cleanuprequired $true OR installmyapp.ps1 -cleanuprequired 1 Here 1 and $true are ...
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how to mysqldump remote db from local machine

...or table in `mysql -u $user -p$pass $dbname -h $host -N -e "show tables" --batch`; do if [ "`echo $3 | grep $table`" = "" ]; then echo "Comparing '$table'..." dump $1 /tmp/file1.sql dump $2 /tmp/file2.sql diff -up /tmp/file1.sql /tmp/file2.sql >> /tmp/db.diff else echo ...
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How to deploy an ASP.NET Application with zero downtime

...e site so the first user doesn't cause an application start. Then using a batch file I copy the live host header to B, stop A and start B. share | improve this answer | foll...
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Difference between CMAKE_CURRENT_SOURCE_DIR and CMAKE_CURRENT_LIST_DIR

...mes in handy when you need to locate resource files like template files or batch scripts that are located next to the CMakeLists.txt file currently being processed. Note: When using the add_subdirectory() command rather than include(), the behavior is different, and when src/CMakeLists.txt is being...
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postgresql COUNT(DISTINCT …) very slow

... amount of work_mem (where hashing will produce relatevely large amount of batches). Since that, it's not always bad to use COUNT (DISTINCT()_, isn't? – St.Antario Oct 12 '15 at 10:39 ...
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Increasing the maximum number of TCP/IP connections in Linux

...load.html We can do some work in client side too: Try to group calls in batch, reduce the traffic and total requests number b/w client and server. Try to build a cache mid-layer to handle unnecessary duplicates requests. ...