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SQL - Query to get server's IP address
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SELECT
CONNECTIONPROPERTY('net_transport') AS net_transport,
CONNECTIONPROPERTY('protocol_type') AS protocol_type,
CONNECTIONPROPERTY('auth_scheme') AS auth_scheme,
CONNECTIONPROPERTY('local_net_address') AS loc...
Drop columns whose name contains a specific string from pandas DataFrame
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Use the DataFrame.select method:
In [38]: df = DataFrame({'Test1': randn(10), 'Test2': randn(10), 'awesome': randn(10)})
In [39]: df.select(lambda x: not re.search('Test\d+', x), axis=1)
Out[39]:
awesome
0 1.215
1 1.247
2 0.142
3...
Markdown to create pages and table of contents?
...nd to generate the TOC, open the command palette (Control/⌘+Shift+P) and select the Select Markdown: Create Table of Contentsoption.
Another option is the Markdown TOC plugin.
To install it, launch the VS Code Quick Open (Control/⌘+P), paste the following command, and press enter.
ext install m...
Eclipse: Enable autocomplete / content assist
...efault in Eclipse you only have to press Ctrl-space for autocomplete. Then select the desired method and wait 500ms for the javadoc info to pop up.
If this doesn't work go to the Eclipse Windows menu -> Preferences -> Java -> Editor -> Content assist and check your settings here
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PostgreSQL query to return results as a comma separated list
Let say you have a SELECT id from table query (the real case is a complex query) that does return you several results.
5 ...
Postgresql SELECT if string contains
...eld of the record. Concatenate using '||' with the literal percent signs:
SELECT id FROM TAG_TABLE WHERE 'aaaaaaaa' LIKE '%' || tag_name || '%';
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Where do the Python unit tests go?
...tion for my problem, with Python2.6 or newer, us to run the tests from the root of your project using: python -m project.package.tests.module_tests (instead of python project/package/tests/module_tests.py). This puts the test module's directory on the path, so the tests can then do a relative impor...
How to create and use resources in .NET
...e project you want to add a resource to. Do this in the Solution Explorer. Select the "Properties" option from the list.
Click the "Resources" tab.
The first button along the top of the bar will let you select the type of resource you want to add. It should start on string. We want to add an icon, s...
ActiveRecord OR query
...here(t[:author].eq("Someone").or(t[:title].matches("%something%"))).to_sql
SELECT "posts".* FROM "posts" WHERE (("posts"."author" = 'Someone' OR "posts"."title" LIKE '%something%'))
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Maven build failed: “Unable to locate the Javac Compiler in: jre or jdk issue”
...ng to the properties of said project->java build path->libraries->select "JRE System Library", click Edit and select "Workspace default JRE"
– maayank
Jan 30 '11 at 9:56
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