大约有 30,000 项符合查询结果(耗时:0.0474秒) [XML]
Force HTML5 youtube video
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...
How do I increase the RAM and set up host-only networking in Vagrant?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...
Visual Studio support for new C / C++ standards?
...casionally question as to why we haven’t implemented C99. It’s really based on interest from our users. Where we’ve received many requests for certain C99 features, we’ve tried to implement them (or analogues). A couple examples are variadic macros, long long, __pragma, __FUNCTION__, and ...
String.Join method that ignores empty strings?
...nter this character by keyboard).
Also, if you get the values from a database, then it's even simpler, since you can do it in SQL directly:
PostgreSQL & MySQL:
SELECT
concat_ws(' / '
, NULLIF(searchTerm1, '')
, NULLIF(searchTerm2, '')
, NULLIF(searchTerm3, '')
...
Error in finding last used cell in Excel with VBA
...does not account for Conditional Formatting. One may have formatted cells, based on formulas, which are not detected by UsedRange or Ctrl+End.
In the figure, the last cell is B3, since formatting was applied explicitly to it. Cells B6:D7 have a format derived from a Conditional Formatting rule, and ...
@RequestParam vs @PathVariable
...query parameter(static values) like: http://localhost:8080/calculation/pow?base=2&ext=4
@PathVariable is use for dynamic values like : http://localhost:8080/calculation/sqrt/8
@RequestMapping(value="/pow", method=RequestMethod.GET)
public int pow(@RequestParam(value="base") int base1, @Request...
Unix - create path of folders and file
...
You need to make all of the parent directories first.
FILE=./base/data/sounds/effects/camera_click.ogg
mkdir -p "$(dirname "$FILE")" && touch "$FILE"
If you want to get creative, you can make a function:
mktouch() {
if [ $# -lt 1 ]; then
echo "Missing argument...
Difference between DateTime and Time in Ruby
... to handle larger values without producing errors.
DateTime is a calendar-based approach where the year, month, day, hour, minute and second are stored individually. This is a Ruby on Rails construct that serves as a wrapper around SQL-standard DATETIME fields. These contain arbitrary dates and can...
this.setState isn't merging states as I would expect
...ver be a problem" - you're mistaken. We're talking about overwriting state based on this.state, which may be stale (or rather, pending queued update) when you access it.
– Madbreaks
Jan 31 '18 at 18:09
...
How to change the Push and Pop animations in a navigation based app
I have a navigation based application and I want to change the animation of the push and pop animations. How would I do that?
...