大约有 45,000 项符合查询结果（耗时：0.0204秒） [XML]
“where 1=1” statement [duplicate]
...
Awesome. Now I can build my complex queries with strings rather than arrays ;). I did, however, want to verify with an EXPLAIN query whether it triggered "Using Where." Indeed, it does not.
– landons
...
What JSON library to use in Scala? [closed]
...ect
Jerkson ± - Warning a nice library (built on top of Java Jackson) but now abandonware. If you are going to use this, probably follow the Scalding project's example and use the backchat.io fork
sjson - By Debasish Ghosh
lift-json - Can be used separately from the Lift project
json4s ????
§ ± -...
Batch File; List files in directory, only filenames?
...ype bellow line
dir /b > fileslist.txt
4.Save "list.bat"
Thats it. now you can copy & paste this "list.bat" file any of your folder location and double click it, it will create a "fileslist.txt" along with that directory folder and file name list.
Sample Output:
Note: If you want crea...
Force IE compatibility mode off using tags
...sion), it's safe to use this; otherwise, you may want to stick to IE=9 for now.
– calvinf
Aug 7 '12 at 1:00
75
...
set date in input type date
...applies for day field also.
Please follow the fiddle link for demo:
var now = new Date();
var day = ("0" + now.getDate()).slice(-2);
var month = ("0" + (now.getMonth() + 1)).slice(-2);
var today = now.getFullYear()+"-"+(month)+"-"+(day) ;
$('#datePicker').val(today);
...
Is there a way to make GHC provide the type class constraints of typed holes?
...
This is now fixed in GHC 8.0 thanks to @DominiqueDevriese's GHC ticket.
Due to extended type defaulting, this isn't immediately obvious in GHCi. With your example,
> show _
<interactive>:7:6: error:
• Found hole: ...
How to get the name of enumeration value in Swift?
...
As of Xcode 7 beta 5 (Swift version 2) you can now print type names and enum cases by default using print(_:), or convert to String using String's init(_:) initializer or string interpolation syntax. So for your example:
enum City: Int {
case Melbourne = 1, Chelyabin...
Loop through files in a directory using PowerShell
...
not sure what I'm doing wrong but this is not working - I now get no output files (and no errors): $files = Get-ChildItem "C:\Users\gerhardl\Documents\My Received Files\" $files | Where-Object { $outFile = $_.Name + "out" Get-Content $_.FullName | Where-Object { ...
How to store int[] array in application Settings
...ting) and make it of any type (e.g. string by default).
Save the changes.
Now go to your project folder and open the "Properties\Settings.settings" file with text editor (Notepad, for example) Or you can open it in VS by right-clicking in Solution Explorer on " -> Properties -> Settings.setti...
How to import multiple .csv files at once?
...mp<-list.files(pattern="*.csv") ddives <- lapply(temp, read.csv) So now each file is called ddives[n] but how would I go about writing a loop to make them all data frames rather than single objects? I can achieve this individually using the data.frame operator but am unsure as to how to loop ...