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How to count items in JSON object using command line?

... Your initial jq code (.[]) return the length of each object in the root array, while I'm looking for the length of the root array itself. Need to fix to . – Édouard Lopez Jan 26 '14 at 9:52 ...
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Total memory used by Python process?

...nt sum " KB"}' 90064 KB Attach my process list. $ ps aux | grep python root 943 0.0 0.1 53252 9524 ? Ss Aug19 52:01 /usr/bin/python /usr/local/bin/beaver -c /etc/beaver/beaver.conf -l /var/log/beaver.log -P /var/run/beaver.pid root 950 0.6 0.4 299680 34220 ? Sl...
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Passing references to pointers in C++

... to a pointer to make all the pointers in a deleted binary tree except the root safe. To make the pointer safe we just have to set it to 0. I could not make the function that deletes the tree (keeping only the root) to accept a ref to a pointer since I am using the root (this pointer) as the first i...
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Importing a Maven project into Eclipse from Git

...cry in frustration. As far as I know, if the cloned repository lies on the root of your Eclipse workspace, and your Maven project file hierarchy has a POM on its root, then importing such root project will rename the cloned folder (with the template you chose, defaults to [artifactId]). Without chan...
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Retrieve the maximum length of a VARCHAR column in SQL Server

... for mysql its length not len SELECT MAX(LENGTH(Desc)) FROM table_name share | improve this answer | f...
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Laravel Eloquent groupBy() AND also return count of each group

... Open config/database.php Find strict key inside mysql connection settings Set the value to false share | improve this answer | follow ...
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Allowed characters in Linux environment variable names

...n/sh} Verify environment variables: HOSTNAME=bd0bccfdc53b SHLVL=2 HOME=/root spring.application_name=happy-variable-name TERM=xterm PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin PWD=/ Use ps aux to verify PID not changed PID USER TIME COMMAND 1 root 0:00 /bi...
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Why this line xmlns:android=“http://schemas.android.com/apk/res/android” must be the first in the la

... Probably because LinearLayout are part of the root namespace, and android:xxx attributes are part of a subnamespace ("schemas.android.com/apk/res/android/android/id") – NitroG42 Apr 30 '13 at 13:55 ...
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How to normalize a path in PowerShell?

...-) FWIW, even the built-in Test-Path <path> -IsValid fails on paths rooted in drives that don't exist. – Keith Hill Feb 13 '11 at 3:42 ...
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In Gradle, how do I declare common dependencies in a single place?

...roperties, e.g:ext.GROOVY = 'org.codehaus.groovy:groovy-all:2.1.6'. In the root project build.gradle, I include allprojects { apply from: "$rootDir/dependencies.gradle" }. Then all dependencies are defined in one file instead of spreading them around, and more "easy to read" constants are used in t...