大约有 43,000 项符合查询结果（耗时：0.0495秒） [XML]
Best way to check for nullable bool in a condition expression (if …)
...en you are trying to evaluate a nullable bool in linq.
For example:
array.Select(v => v.nullableBool ?? false)
(from v in array where v.nullableBool ?? false)
Is cleaner in my opinion as opposed to:
array.Select(v => v.nullableBool.HasValue ? v.nullableBool.Value : false)
(from v in array wh...
Can you resolve an angularjs promise before you return it?
...
I think this answer should be selected.
– Morteza Tourani
May 8 '16 at 20:13
...
App can't be opened because it is from an unidentified developer
...
In 10.8.5, the option to select from the 'Allow applications downloaded from:' set of radio buttons is: 'Anywhere'
– Mark Roper
Nov 11 '13 at 16:36
...
Add unique constraint to combination of two columns
....YourTable
INSTEAD OF INSERT
AS
BEGIN
SET NOCOUNT ON;
IF NOT EXISTS (SELECT 1 FROM inserted AS i
INNER JOIN dbo.YourTable AS t
ON i.column1 = t.column1
AND i.column2 = t.column2
)
BEGIN
INSERT dbo.YourTable(column1, column2, ...)
SELECT column1, column2, ... FROM ins...
Finding most changed files in Git
...git log --pretty=format: --name-only | sort | uniq -c | sort -Descending | select -First 10
share
|
improve this answer
|
follow
|
...
How to generate serial version UID in Intellij
...
very nice, very easy to install. you can install that from plugins menu, select install from disk, select the jar file you unpacked in the lib folder. restart, control + ins, and it pops up to generate serial UID from menu. love it. :-)
...
How can I write a regex which matches non greedy? [duplicate]
...
The non-greedy ? works perfectly fine. It's just that you need to select dot matches all option in the regex engines (regexpal, the engine you used, also has this option) you are testing with. This is because, regex engines generally don't match line breaks when you use .. You need to tell ...
How do I make $.serialize() take into account those disabled :input elements?
...
Best solution, works for select, checkbox, radio , hidden and disabled inputs
– Plasebo
Jun 19 '18 at 9:32
add a comment
...
Android Studio Gradle Configuration with name 'default' not found
...:
Go to your sub-project-module/library-module settings. (press F4 after selecting the module)
Right Click on Add > Android-Gradle.
Add build.gradle to your module.
Add the following script
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'com.android.tools.bu...
How to handle ListView click in Android
... Thanks David. Geezzz, I tried setOnClickListener and setOnItemSelectedListener but missed reading setOnItemClickListener. Thanks, Tee
– teepusink
Mar 18 '10 at 8:37
...