大约有 47,000 项符合查询结果（耗时：0.0517秒） [XML]
“R cannot be resolved to a variable”? [duplicate]
...test build tools, your project target is set to the earlier one by import. Selecting project build to recent android version availble on you dev env will solve the issue. Ex: For me, by import project build target was being set to Android 4.4.2. This was giving the error. I changed it to Android 5.0...
Inserting a Python datetime.datetime object into MySQL
...
when iserting into t-sql
this fails:
select CONVERT(datetime,'2019-09-13 09:04:35.823312',21)
this works:
select CONVERT(datetime,'2019-09-13 09:04:35.823',21)
easy way:
regexp = re.compile(r'\.(\d{6})')
def to_splunk_iso(dt):
"""Converts the datetime ...
Difference between map and collect in Ruby?
..., in C# (3.0)'s LINQ library, it is provided as an extension method called Select. Map is also a frequently used operation in high level languages such as Perl, Python and Ruby; the operation is called map in all three of these languages. A collect alias for map is also provided in Ruby (from Smallt...
iOS 7 TableView like in Settings App on iPad
...)cell forRowAtIndexPath:(NSIndexPath *)indexPath
{
if ([cell respondsToSelector:@selector(tintColor)]) {
if (tableView == self.tableView) {
CGFloat cornerRadius = 5.f;
cell.backgroundColor = UIColor.clearColor;
CAShapeLayer *layer = [[CAShapeLayer allo...
Hidden features of Eclipse [closed]
...
in the same vein select a word and hit ctrl-k or ctrl-shift-k and it will iterate through the selected string occurences
– Newtopian
Jun 8 '10 at 12:00
...
Filtering for empty or NULL names in a queryset
...null, not-empty alias field. The generated SQL would look something like:
SELECT * FROM Name WHERE alias IS NOT NULL AND alias != ""
You can also pass multiple arguments to a single call to exclude, which would ensure that only objects that meet every condition get excluded:
Name.objects.exclude...
How to click or tap on a TextView text
...ewIn) {
try {
Log.d(TAG,"GMAIL account selected");
} catch (Exception except) {
Log.e(TAG,"Ooops GMAIL account selection problem "+except.getMessage());
}
}
});
the text view is declared lik...
Where is Android Studio layout preview?
...
Select MainActivity.java file from the left pane, as shown in the red colored rectangle.
Left click the XML Tag icon as shown in the red colored circle.
Select the "activity_main.xml(layout)" option shown highlighted in the b...
Remote debugging Tomcat with Eclipse
... enter any name which you like to.
From project field using browse button select the project which you want to perform remote debug.
The hostname is nothing but the host address. Here i'm working locally so it is "localhost".
Last the Port column the value should be 8000. Apart from Name and Proj...
How can I write output from a unit test?
...ling to find it, it's in the Text Explorer, bottom section. When a test is selected, it shows you the result with "Elapsed time: xxx". Below that is the "Output" link.
– kevin
May 18 '14 at 11:00
...