大约有 30,000 项符合查询结果(耗时:0.0609秒) [XML]
How to connect to SQL Server database from JavaScript in the browser?
Can anybody give me some sample source code showing how to connect to a SQL Server 2005 database from JavaScript locally? I am learning web programming on my desktop.
...
If strings are immutable in .NET, then why does Substring take O(n) time?
...
Callum Watkins
2,22222 gold badges2323 silver badges4040 bronze badges
answered Jul 19 '11 at 16:25
Eric LippertEric Lippert
...
Adding a UILabel to a UIToolbar
I'm trying to add a label to my toolbar. Button works great, however when I add the label object, it crashes. Any ideas?
8 ...
Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio
...
MukusMukus
4,16322 gold badges3333 silver badges5252 bronze badges
...
How do I generate random numbers in Dart?
...
timlyo
1,1551212 silver badges3232 bronze badges
answered Jul 26 '12 at 17:33
Seth LaddSeth Ladd
63.5k4646 g...
Is it better to return null or empty collection?
That's kind of a general question (but I'm using C#), what's the best way (best practice), do you return null or empty collection for a method that has a collection as a return type ?
...
Create or write/append in text file
...
Try something like this:
$txt = "user id date";
$myfile = file_put_contents('logs.txt', $txt.PHP_EOL , FILE_APPEND | LOCK_EX);
share
|
improve this answer
|
fol...
Why should eval be avoided in Bash, and what should I use instead?
...than eval if you want to do something more complex:
# Add to scenario:
VAR_2='4 5 6'
# We could use:
local ref="${REF}_2"
echo "${!ref}"
# Versus the bash < 2 method, which might be simpler to those accustomed to eval:
eval "echo \"\$${REF}_2\""
Regardless, the new method is more intuitive, ...
Regex to validate password strength
...ng some of your rules to:
Add more special characters i.e. %, ^, (, ), -, _, +, and period. I'm adding all the special characters that you missed above the number signs in US keyboards. Escape the ones regex uses.
Make the password 8 or more characters. Not just a static number 8.
With the above i...
class method generates “TypeError: … got multiple values for keyword argument …”
...de:
myfoo.foodo("something")
print
print myfoo
You'll output like:
<__main__.foo object at 0x321c290>
a thong is something
<__main__.foo object at 0x321c290>
You can see that 'thing' has been assigned a reference to the instance 'myfoo' of the class 'foo'. This section of the docs...
