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Why am I suddenly getting a “Blocked loading mixed active content” issue in Firefox?
...o click on the 'shield' icon in the top-left corner of the address bar and select 'Disable Protection on This Page', although this is not recommended for obvious reasons.
UPDATE: This link from the Firefox (Mozilla) support pages is also useful in explaining what constitutes mixed content and, as gi...
What are the key differences between Scala and Groovy? [closed]
...ts instead. Groovy uses the static concept.
Scala does not have built in selection of arithmetic operators in quite the way that Groovy does. In Scala you can name methods very flexibly.
Groovy has the elvis operator for dealing with null. Scala programmers prefer to use Option types to using n...
Modify/view static variables while debugging in Eclipse
... Menu.
When you click this button a drop down menu is shown where you can select
Java -> Show static variables
Note: You do not have to restart Eclipse.
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Nullable Foreign Key bad practice?
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Using NULL would be a good way to clean up incomplete orders:
SELECT * FROM `orders`
WHERE `started_time` < (UNIX_TIMESTAMP() + 900) AND `customer_id` IS NULL
The above would show orders older than 15 minutes without a related customer ID.
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Cannot install packages using node package manager in Ubuntu
...Kirkby's comment and vbo's answer. I think that vbo's answer should be the selected answer.
– modulitos
Jun 20 '14 at 16:41
3
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How do I view the SQLite database on an Android device? [duplicate]
..., type .tables. This will give you all the tables in the database.db file.
select * from table1;
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postgresql port confusion 5433 or 5432?
...instances running so make sure you're connecting to the right one by using select version() and SHOW data_directory;.
You can also specify a unix socket directory; check the unix_socket_directories setting of the PostgreSQL instance you wish to connect to and specify that with psql -h, e.g.psql -h...
How to output only captured groups with sed?
...only alternative solution is to use a character class: '[[:digit:]]`.
The selected answer use such "character classes" to build a solution:
$ str='This is a sample 123 text and some 987 numbers'
$ echo "$str" | sed -rn 's/[^[:digit:]]*([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)[^[:digit:]]*/\1 \2/p'...
How to properly import a selfsigned certificate into Java keystore that is available to all Java app
...\cacerts to another folder.
In Portecle click File > Open Keystore File
Select the cacerts file
Enter this password: changeit
Click Tools > Import Trusted Certificate
Browse for the file mycertificate.pem
Click Import
Click OK for the warning about the trust path.
Click OK when it displays the...
Pull new updates from original GitHub repository into forked GitHub repository
... Usually you only want to sync the master branch.
Create new pull request.
Select the arrow to the right of the merging button, and make sure to choose rebase instead of merge. Then click the button. This way, it will not produce unnecessary merge commit.
Done.
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