大约有 40,000 项符合查询结果（耗时：0.0645秒） [XML]
Remove duplicate entries using a Bash script [duplicate]
...
Perl one-liner similar to @kev's awk solution:
perl -ne 'print if ! $a{$_}++' input
This variation removes trailing whitespace before comparing:
perl -lne 's/\s*$//; print if ! $a{$_}++' input
This variation edits the file in-place:
perl -i -ne 'print if ! $a{$_}++' input
This variation e...
AngularJS directive with default options
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
How do you discover model attributes in Rails?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
What's the reason I can't create generic array types in Java?
...I assume?
– Eugene
Mar 12 '18 at 12:32
1
@Eugene, Arrays of specific generic types simply aren't ...
How to check if variable's type matches Type stored in a variable
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
How does Task become an int?
... |
edited Apr 24 '19 at 5:32
kmad1729
1,05411 gold badge1010 silver badges1919 bronze badges
answered Oc...
Accessing dict keys like an attribute?
...
KimvaisKimvais
32.4k1414 gold badges9797 silver badges132132 bronze badges
...
What is a CSRF token ? What is its importance and how does it work?
...esn’t distinguish
between POST and GET requests (e.g. in PHP by using $_REQUEST instead
of $_POST). Don’t do that! Data altering requests could be submitted
as easy as <img src="http://a.com/tweet?tweet=This+is+really+bad">,
embedded in a malicious website or even an email.
Ho...
Rake just one migration
...n dropped from the database outside of Rails, rake db:migrate:up VERSION=my_version may do nothing, because the schema_migrations table still says it is has been run. In the same situation rake db:migrate:redo VERSION=my_version may fail because it cannot drop the table. In this case, comment out th...
How to lock orientation during runtime
...
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
Called on an activity, will lock it to landscape. Look for the other flags in the ActivityInfo class. You can lock it back to portrait or make it sensor/slider driven.
More info here: http://www....