大约有 40,000 项符合查询结果（耗时：0.0768秒） [XML]
SqlDataAdapter vs SqlDataReader
...ld have when using a SqlDataReader:
Using cn As New SqlConnection("..."), _
cmd As New SqlCommand("...", cn)
cn.Open()
Using rdr As SqlDataReader = cmd.ExecuteReader()
While rdr.Read()
''# ...
End While
End Using
End Using
equivalent C#:
using ...
PowerShell: Run command from script's directory
...
Holy scripting gods, I'm SO DISAPPOINTED .\_/. — for this killed half of my day! People, seriously? Seriously?..
– ulidtko
Dec 29 '14 at 14:56
2
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Way to go from recursion to iteration
...ack, heap does not have memory restrictions. See gribblelab.org/CBootCamp/7_Memory_Stack_vs_Heap.html
– yuqli
Aug 28 '18 at 3:22
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anchor jumping by using javascript
...mple solution:
window.location = (""+window.location).replace(/#[A-Za-z0-9_]*$/,'')+"#myAnchor"
This method does not reload the website, and sets the focus on the anchors which are needed for screen reader.
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Do you need to use path.join in node.js?
... and make your code illegible.
Long answer:
All fs.* functions call path._makeLong(path), which in turn call path.resolve(path), which has special RegExps for Windows, which takes into account backslash \ or forward slashes /. You can check it out for yourself looking their source code at:
https...
How to get the number of Characters in a String?
...unes without any packages by converting string to []rune as len([]rune(YOUR_STRING)):
package main
import "fmt"
func main() {
russian := "Спутник и погром"
english := "Sputnik & pogrom"
fmt.Println("count of bytes:",
len(russian),
len(english))
...
Why do I want to avoid non-default constructors in fragments?
...ew MyFragment();
Bundle bundle = new Bundle(2);
bundle.putInt(EXTRA_TITLE, title);
bundle.putString(EXTRA_MESSAGE, message);
fragment.setArguments(bundle);
return fragment ;
}
And read these arguments at onCreate:
@Override
public void onCreate(Bundle savedInstanceState) {
...
Count the number of commits on a Git branch
... to get version-revision from Git in format like '$refname-c$count-g$short$_dirty' which expands to master-c137-gabd32ef.
Help is included to script itself.
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Cross compile Go on OSX?
...al/go/src
then compile the Go compiler:
sudo GOOS=windows GOARCH=386 CGO_ENABLED=0 ./make.bash --no-clean
You need to repeat this step for each OS and Architecture you wish to cross compile by changing the GOOS and GOARCH parameters.
If you are working in user mode as I do, sudo is needed beca...
join list of lists in python [duplicate]
...
import itertools
a = [['a','b'], ['c']]
print(list(itertools.chain.from_iterable(a)))
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