大约有 46,000 项符合查询结果（耗时：0.0553秒） [XML]
How to save an activity state using save instance state?
... usually use this technique to store instance values for your application (selections, unsaved text, etc.).
share
|
improve this answer
|
follow
|
...
Android Studio: Module won't show up in “Edit Configuration”
...
I had similar issue when I selected parent directory of my project, I resolved by Close Project -> Delete Project from Android Studio -> Import Project by selecting right build.gradle file.
Make sure you select right build.gradle file while imp...
Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
...CIT) and (utf8_unicode_ci,IMPLICIT) for operation '='
$this->db->select("users.username as matric_no, CONCAT(users.surname,
' ',
users.first_name, ' ', users.last_name) as fullname")
->join('users', 'users.username=classroom_students.matric_no', 'left')
...
Sublime Text 2: Trim trailing white space on demand
...way that uses no plugins or settings and works in most situations.
Multi-Select and move cursor to the end of every line
Hold CTRL-Shift, Press Left, Right
The spaces and tabs at the end of the lines should now be selected. Press Delete or Backspace
Note - Special characters such as ( and + may ...
How to determine MIME type of file in android?
...
If the media is selected from android gallery then TYPE is returned. If selected from File Manager then null is returned.
– Rahul Rastogi
Aug 27 '14 at 12:34
...
Change the Target Framework for all my projects in a Visual Studio Solution
...roject) As Boolean
Dim legalProjectType As Boolean = True
Select Case proejct.Kind
Case ProjectGuids.vsDatabase
legalProjectType = False
Case ProjectGuids.vsDatabaseOther
legalProjectType = False
Case ProjectGuids.v...
How to rename items in values() in Django?
... a bit hacky, but you could use the extra method:
MyModel.objects.extra(
select={
'renamed_value': 'cryptic_value_name'
}
).values(
'renamed_value'
)
This basically does SELECT cryptic_value_name AS renamed_value in the SQL.
Another option, if you always want the renamed version but the d...
Python loop counter in a for loop [duplicate]
...
Use enumerate() like so:
def draw_menu(options, selected_index):
for counter, option in enumerate(options):
if counter == selected_index:
print " [*] %s" % option
else:
print " [ ] %s" % option
options = ['Option 0', 'Option...
What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
...LL
)
Following query will give me all columns and rows from both tables
SELECT
*
FROM table1, table2
Following query will give me columns from first table with table alias called 'table2'
SELECT
*
FROM table1 table2
If you mistakenly forget comma in comma-separated join, second table...
Debugging with command-line parameters in Visual Studio
...
Make sure you have the correct Configuration selected in the dropdown at the top of the Property pages, i.e. the same configuration as the one you are trying to run.
– Steve Smith
Jan 4 '18 at 14:51
...