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Is it bad to have my virtualenv directory inside my git repository?
..., offering a -q (quiet) option, using python when python3 isn't available, etc.
This can then be sourced from any current working directory and will properly activate, first setting up the virtual environment if necessary. My top-level test script usually has code along these lines so that it can b...
What is “vectorization”?
...GE
Vectorization describes the absence of any explicit looping, indexing, etc., in the code - these things are taking place, of course, just “behind the scenes” in optimized, pre-compiled C code. Vectorized code has many advantages, among which are:
vectorized code is more concise and easier ...
Difference between fmt.Println() and println() in Go
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println is an built-in function (into the runtime) which may eventually be removed, while the fmt package is in the standard library, which will persist. See the spec on that topic.
For language developers it is handy to have a println without dependencies, but the way to go is to use the f...
What requests do browsers' “F5” and “Ctrl + F5” refreshes generate?
... request resources within the refreshed page, such as images, stylesheets, etc...
– James Hart
May 20 '11 at 14:54
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List of Rails Model Types
... i wish to add for those reading in future that when creating a migration etc car:references comes in very handy for creating a car_id foreign key.
– BKSpurgeon
Jul 25 '16 at 22:46
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How to set caret(cursor) position in contenteditable element (div)?
...haracter of the second line of text, you'd do the following:
function setCaret() {
var el = document.getElementById("editable")
var range = document.createRange()
var sel = window.getSelection()
range.setStart(el.childNodes[2], 5)
range.collapse(true)
sel.remove...
Add a default value to a column through a migration
... states are usually explicit, such as the presence of a column, it's type, etc. The change can be rolled back as it's shown there if and only if there was a valid explicit default previously. Since it's common that defaults are undefined, you might have an issue there.
– Elindo...
How to fetch FetchType.LAZY associations with JPA and Hibernate in a Spring Controller
...Repository<Person, Long> {
@Query("SELECT p FROM Person p JOIN FETCH p.roles WHERE p.id = (:id)")
public Person findByIdAndFetchRolesEagerly(@Param("id") Long id);
}
This method will use JPQL's fetch join clause to eagerly load the roles association in a single round-trip to the dat...
Can't connect to local MySQL server through socket '/tmp/mysql.sock
... about your MySQL config, exactly how you're instantiating the connection, etc.
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How to bind a List to a ComboBox?
...ry = (Country)comboBox1.SelectedItem;.
If you want the ComboBox to dynamically update you'll need to make sure that the data structure that you have set as the DataSource implements IBindingList; one such structure is BindingList<T>.
Tip: make sure that you are binding the DisplayMember to...