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Using fonts with Rails asset pipeline
...he extension .css.erb, and the font declaration should be url('<%= asset_path(...) %>').
If you are using Rails > 3.2.1, you can use font_path(...) instead of asset_path(...). This helper does exactly the same thing but it's more clear.
Finally, use your font in your CSS like you declared ...
UPDATE multiple tables in MySQL using LEFT JOIN
...ble that is liked by a second table.
UPDATE t1
LEFT JOIN
t2
ON
t2.some_id = t1.some_id
LEFT JOIN
t3
ON
t2.t3_id = t3.id
SET
t1.new_column = t3.column;
This would be useful in a case where you had users and groups, and you wanted a user to be able to add their own variation of the group n...
How to create a new java.io.File in memory?
...xt
Files.write(hello, ImmutableList.of("hello world"), StandardCharsets.UTF_8);
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When should I use semicolons in SQL Server?
...ECT 1/0 AS CauseAnException
COMMIT
END TRY
BEGIN CATCH
SELECT ERROR_MESSAGE()
THROW
END CATCH
BEGIN TRY
BEGIN TRAN
SELECT 1/0 AS CauseAnException;
COMMIT
END TRY
BEGIN CATCH
SELECT ERROR_MESSAGE();
THROW
END CATCH
...
What are the options for storing hierarchical data in a relational database? [closed]
...st.
+-------------+----------------------+--------+-----+-----+
| category_id | name | parent | lft | rgt |
+-------------+----------------------+--------+-----+-----+
| 1 | ELECTRONICS | NULL | 1 | 20 |
| 2 | TELEVISIONS | 1 | 2 | ...
Why is \r a newline for Vim?
...
From http://vim.wikia.com/wiki/Search_and_replace :
When Searching
...
\n is newline, \r is CR (carriage return = Ctrl-M = ^M)
When Replacing
...
\r is newline, \n is a null byte (0x00).
...
How to loop through a HashMap in JSP?
... answered Oct 3 '19 at 5:53
tk_tk_
11.9k55 gold badges6969 silver badges7878 bronze badges
...
cannot convert data (type interface {}) to type string: need type assertion
...]i to its value type, we have to do it individually:
// var items []i
for _, item := range items {
value, ok := item.(T)
dosomethingWith(value)
}
Performance
As for performance, it can be slower than direct access to the actual value as show in this stackoverflow answer.
...
What is a pre-revprop-change hook in SVN, and how do I create it?
...ed, but not author, etc.
if /I not "%propertyName%" == "svn:log" goto ERROR_PROPNAME
:: Only allow modification of a log message, not addition or deletion.
if /I not "%action%" == "M" goto ERROR_ACTION
:: Make sure that the new svn:log message is not empty.
set bIsEmpty=true
for /f "tokens=*" %%g ...
How to rename a table in SQL Server?
...
To rename a table in SQL Server, use the sp_rename command:
exec sp_rename 'schema.old_table_name', 'new_table_name'
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