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How can I calculate an md5 checksum of a directory?
...ar c <dir> has some issues:
tar processes directory entries in the order which they are stored in the filesystem, and there is no way to change this order. This effectively can yield completely different results if you have the "same" directory on different places, and I know no way to fix ...
OAuth secrets in mobile apps
... doesn't this make the life of the hacker easier?! because now, in order to access the server resources we technically jus need the client id, since the server will anyway append the secret to the request. am I missing something?
– Hudi Ilfeld
Apr 17 '1...
How to get primary key column in Oracle?
...ND cons.constraint_name = cols.constraint_name
AND cons.owner = cols.owner
ORDER BY cols.table_name, cols.position;
Make sure that 'TABLE_NAME' is in upper case since Oracle stores table names in upper case.
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Sorting an array of objects by property values
...
Sort homes by price in ascending order:
homes.sort(function(a, b) {
return parseFloat(a.price) - parseFloat(b.price);
});
Or after ES6 version:
homes.sort((a, b) => parseFloat(a.price) - parseFloat(b.price));
Some documentation can be found here...
git switch branch without discarding local changes
...anch to which you are switching, the command refuses to switch
branches in order to preserve your modifications in context. However,
with this option, a three-way merge between the current branch, your
working tree contents, and the new branch is done, and you will be on
the new branch.
Source: htt...
Using multiple property files (via PropertyPlaceholderConfigurer) in multiple projects/modules
...der location="classpath*:connection.properties" ignore-unresolvable="true" order="1" />
<context:property-placeholder location="classpath*:general.properties" order="2"/>
In case multiple elements are present in the
Spring context, there are a few best practices that should be
fo...
To Workflow or Not to Workflow?
...
In order to do an insurance claim system of any complexity that involves roles and "sub-tasks" you really need an BPM solution, not just workflow. Workflow Foundation 4.0 is slick but it really doesn't not come close to the func...
How to generate the “create table” sql statement for an existing table in postgreSQL
...')
AND pg_catalog.pg_table_is_visible(c.oid)
ORDER BY 2, 3) b
ON a.attrelid = b.oid
INNER JOIN
(SELECT
a.attrelid,
max(a.attnum) as max_attnum
FROM pg_catalog.pg_attribute a
...
How do you run a crontab in Cygwin on Windows?
... SYSTEM. Poor SYSTEM therefore needs a home directory and a shell. The “/etc/passwd” file will define them.
$ mkdir /root
$ chown SYSTEM:root /root
$ mcedit /etc/passwd
SYSTEM:*:......:/root:/bin/bash
The start the service:
$ cron-config
Do you want to remove or reinstall it (yes/no) yes
Do ...
Where can I set environment variables that crontab will use?
...
Setting vars in /etc/environment also worked for me in Ubuntu. As of 12.04, variables in /etc/environment are loaded for cron.
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