大约有 23,000 项符合查询结果（耗时：0.0314秒） [XML]
EF Code First foreign key without navigation property
...nce of your derived context class and sql is just the above SQL command as string.
Be aware that with all this EF has no clue that ParentId is a foreign key that describes a relationship. EF will consider it only as an ordinary scalar property. Somehow all the above is only a more complicated and s...
How can I write a heredoc to a file in Bash script?
....
This line is indented.
EOF
Note that the final 'EOF' (The LimitString) should not have any whitespace in front of the word, because it means that the LimitString will not be recognized.
In a shell script, you may want to use indentation to make the code readable, however this can have t...
The requested resource does not support HTTP method 'GET'
....Http.AcceptVerbs("GET", "POST")]
[System.Web.Http.HttpGet]
public string Auth(string username, string password)
{...}
The reason why it doesn't work is because you were using the attributes that are from the MVC namespace System.Web.Mvc. The classes in the System.Web.Http namespace ...
How to select distinct rows in a datatable and store into an array
...
@Lijo, the ToTable(boolean, params string[] columnNames) method allows for multiple columns to be specified.
– Kristen Hammack
Aug 23 '18 at 20:48
...
How to overload functions in javascript?
... key value
obj.data("key");
If the first argument passed to .data() is a string and the second argument is undefined, then the caller must be using this form.
// set the value associated with a particular key
obj.data("key", value);
If the second argument is not undefined, then set the value ...
jQuery using append with effects
...
@Vic as it happens .append() doesn't even take a selector string. The idea's still correct though. Thanks, updated.
– Matt Ball
Jan 8 '13 at 0:39
...
Determining the current foreground application from a background task or service
...ts it, then you can easily access details of the foreground app/activity:
String foregroundTaskPackageName = foregroundTaskInfo .topActivity.getPackageName();
PackageManager pm = AppService.this.getPackageManager();
PackageInfo foregroundAppPackageInfo = pm.getPackageInfo(foregroundTaskPackageName,...
How to sort an array based on the length of each element?
... method to sort the array. A sorting function that considers the length of string as the sorting criteria can be used as follows:
arr.sort(function(a, b){
// ASC -> a.length - b.length
// DESC -> b.length - a.length
return b.length - a.length;
});
Note: sorting ["a", "b", "c"] by l...
Format date to MM/dd/yyyy in JavaScript [duplicate]
...
Correct answer should be var result = ((date.getMonth().toString().length > 1) ? (date.getMonth() + 1) : ('0' + (date.getMonth() + 1))) + '/' + ((date.getDate().toString().length > 1) ? date.getDate() : ('0' + date.getDate())) + '/' + date.getFullYear()
–...
How to insert a text at the beginning of a file?
...dd a line at the beginning of a file, you need to add \n at the end of the string in the best solution above.
The best solution will add the string, but with the string, it will not add a line at the end of a file.
sed -i '1s/^/your text\n/' file
...