大约有 46,000 项符合查询结果（耗时：0.0803秒） [XML]
Get login username in java
...spired by @newacct's answer, a code that can be compiled in any platform:
String osName = System.getProperty( "os.name" ).toLowerCase();
String className = null;
String methodName = "getUsername";
if( osName.contains( "windows" ) ){
className = "com.sun.security.auth.module.NTSystem";
meth...
How do I find files that do not contain a given string pattern?
How do I find out the files in the current directory which do not contain the word foo (using grep )?
16 Answers
...
Map.clear() vs new Map : Which one will be better? [duplicate]
I have a Map as syntax as Map<String, String> testMap = new HashMap<String, String>(); .
In this map there can be 1000 data.
...
What does the “static” modifier after “import” mean?
...classes. Where I used to have to do this:
import org.apache.commons.lang.StringUtils;
.
.
.
if (StringUtils.isBlank(aString)) {
.
.
.
I can do this:
import static org.apache.commons.lang.StringUtils.isBlank;
.
.
.
if (isBlank(aString)) {
...
Add a reference column migration in Rails 4
...
Rails 4.x
When you already have users and uploads tables and wish to add a new relationship between them.
All you need to do is: just generate a migration using the following command:
rails g migration AddUserToUploads user:references
Which will create a migr...
Copy object values in Visual Studio debug mode
...ich is type System.Collections.Generic.List 1[[System.ValueTuple 3[[System.String, System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.String, System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.String, Sys...
LINQ to Entities only supports casting EDM primitive or enumeration types with IEntity interface
... Perfect, it's great being able to perform Interface-based queries and still maintain the collection as IQueryable. A bit annoying however that there is basically no way of thinking up this fix, without knowing the inner workings of EF.
– Anders
Dec 9 '...
Ubuntu, vim, and the solarized color palette
...e
gconftool-2 --set "/apps/gnome-terminal/profiles/Default/palette" --type string "#070736364242:#D3D301010202:#858599990000:#B5B589890000:#26268B8BD2D2:#D3D336368282:#2A2AA1A19898:#EEEEE8E8D5D5:#00002B2B3636:#CBCB4B4B1616:#58586E6E7575:#65657B7B8383:#838394949696:#6C6C7171C4C4:#9393A1A1A1A1:#FDFDF6...
sql query to return differences between two tables
...ies. I need to check three pieces of data in doing so, FirstName, LastName and Product.
12 Answers
...
How can I see all the issues I'm watching on Github?
...
GET /orgs/:org/issues
Parameters
Name Type Description
filter string Indicates which sorts of issues to return. Can be one of:
* assigned: Issues assigned to you
* created: Issues created by you
* mentioned: Issues mentioning you
* subscribed: Issues you're subscribed to updates for
* ...