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Understanding recursion [closed]
...e flowers?
Answer: if the vase is not empty, you take out one flower
and then you empty a vase containing four flowers.
How do you empty a vase containing four flowers?
Answer: if the vase is not empty, you take out one flower
and then you empty a vase containing three flowers.
How do you empt...
Extracting hours from a DateTime (SQL Server 2005)
...t:
SELECT Run_Time_Hour =
CASE DATEPART(HOUR, R.date_schedule)
WHEN 0 THEN '12AM'
WHEN 1 THEN '1AM'
WHEN 2 THEN '2AM'
WHEN 3 THEN '3AM'
WHEN 4 THEN '4AM'
WHEN 5 THEN '5AM'
WHEN 6 THEN '6AM'
WHEN 7 THEN '7AM'
WHEN 8 THEN '8AM'
WHEN 9 THEN '9...
sql ORDER BY multiple values in specific order?
..._field IN ('f', 'p', 'i', 'a') ...
ORDER BY
CASE x_field
WHEN 'f' THEN 1
WHEN 'p' THEN 2
WHEN 'i' THEN 3
WHEN 'a' THEN 4
ELSE 5 --needed only is no IN clause above. eg when = 'b'
END, id
...
Case in Select Statement
...T ProductNumber, Name, "Price Range" =
CASE
WHEN ListPrice = 0 THEN 'Mfg item - not for resale'
WHEN ListPrice < 50 THEN 'Under $50'
WHEN ListPrice >= 50 and ListPrice < 250 THEN 'Under $250'
WHEN ListPrice >= 250 and ListPrice < 1000 THEN 'Under $1000'
...
What are deferred objects?
...ect and call any doneCallbacks with the given context and args.
deferred.then()
Add handlers to be called when the Deferred object is resolved or rejected.
Deferred In Action:
$.get("test.php").done(
function(){ alert("$.get succeeded"); }
);
$.get("test.php")
.done(function(){ alert(...
Call a function after previous function is complete
... it's content after foo()'s content is done executing, even using $.when().then() to call them one after the other. This answer is only valid if (and only if) all the stuff at ...do stuff in your code is strictly synchronous.
– trusktr
Jul 2 '13 at 3:25
...
水果vs蔬菜智能分类器 - EdgeML图像识别项目 · App Inventor 2 中文网
...
when Button_SelectImage.Click
do
if not IsProcessing and ModelLoaded then
call StartProcessingAnimation
call ImagePicker1.SelectPicture
else if not ModelLoaded then
show notification "模型未加载完成,请稍候..."
else
show notification "正在处...
How to check if a string contains a substring in Bash
...double brackets:
string='My long string'
if [[ $string == *"My long"* ]]; then
echo "It's there!"
fi
Note that spaces in the needle string need to be placed between double quotes, and the * wildcards should be outside. Also note that a simple comparison operator is used (i.e. ==), not the regex...
Returning a boolean from a Bash function
...ion that check if a file has certain properties and returns true or false. Then I can use it in my scripts in the "if". But what should I return?
...
How to dump a table to console?
...t's hard to beat for debugging.
function dump(o)
if type(o) == 'table' then
local s = '{ '
for k,v in pairs(o) do
if type(k) ~= 'number' then k = '"'..k..'"' end
s = s .. '['..k..'] = ' .. dump(v) .. ','
end
return s .. '} '
else
return tostring...
