大约有 43,000 项符合查询结果（耗时：0.0366秒） [XML]
Max or Default?
...t I think it'd go something like this:
Dim x = (From y In context.MyTable _
Where y.MyField = value _
Select CType(y.MyCounter, Integer?)).Max
Or in C#:
var x = (from y in context.MyTable
where y.MyField == value
select (int?)y.MyCounter).Max();
...
Why use a public method in an internal class?
...her team members understand your convention.
– bopapa_1979
Feb 15 '12 at 22:51
10
+1 for saying w...
How does one create an InputStream from a String? [duplicate]
...hod above.
After JDK 7+ you can use
java.nio.charset.StandardCharsets.UTF_16
instead of hardcoded encoding string:
InputStream is = new ByteArrayInputStream(StandardCharsets.UTF_16.encode(myString).array());
share
...
JavaScript private methods
... prototype:
function Restaurant() {
var myPrivateVar;
var private_stuff = function() { // Only visible inside Restaurant()
myPrivateVar = "I can set this here!";
}
this.use_restroom = function() { // use_restroom is visible to all
private_stuff();
}
this...
Changing the resolution of a VNC session in linux [closed]
...9.99 Hz (CVT 4.10MA) hsync: 99.46 kHz; pclk: 348.50 MHz
Modeline "2560x1600_60.00" 348.50 2560 2760 3032 3504 1600 1603 1609 1658 -hsync +vsync
or if the monitor is old get the GTF timings:
$ gtf 2560 1600 60
# 2560x1600 @ 60.00 Hz (GTF) hsync: 99.36 kHz; pclk: 348.16 MHz
Modeline "2560x1600_6...
Flatten an Array of Arrays in Swift
...rrays: FlattenBidirectionalCollection<Array<Array<Int>>>(_base: [[1, 2, 3], [4], [5, 6, 7, 8, 9]])). Your point is valid though that you can access it like a flat array, so it would seem that that the CustomStringConvertable implementation is misleading. Your code snippet was and...
CSS: background image on background color
...nswered Jan 15 '18 at 17:12
Risa__BRisa__B
39544 silver badges88 bronze badges
...
Convert object string to JSON
...hout quote with valid double quote
.replace(/([\$\w]+)\s*:/g, function(_, $1){return '"'+$1+'":'})
// replacing single quote wrapped ones to double quote
.replace(/'([^']+)'/g, function(_, $1){return '"'+$1+'"'})
}
Result
var invalidJSON = "{ hello: 'world',foo:1, bar ...
Safely remove migration In Laravel
...teps:
Manually delete the migration file under app/database/migrations/my_migration_file_name.php
Reset the composer autoload files: composer dump-autoload
Relax
If you did run the migration (php artisan migrate), you may do this:
a) Run migrate:rollback - it is the right way to undo the last...
Commonly accepted best practices around code organization in JavaScript [closed]
...z describes here helps me a lot.
var DED = (function() {
var private_var;
function private_method()
{
// do stuff here
}
return {
method_1 : function()
{
// do stuff here
},
method_2 : function()
{
...