大约有 23,000 项符合查询结果(耗时:0.0307秒) [XML]

https://stackoverflow.com/ques... 

How to add a second css class with a conditional value in razor MVC 4

... You can add property to your model as follows: public string DetailsClass { get { return Details.Count > 0 ? "show" : "hide" } } and then your view will be simpler and will contain no logic at all: <div class="details @Model.DetailsClass"/> This will work even ...
https://stackoverflow.com/ques... 

How to detect my browser version and operating system using JavaScript?

...gt.indexOf("Opera"))!=-1) { browserName = "Opera"; fullVersion = nAgt.substring(verOffset+6); if ((verOffset=nAgt.indexOf("Version"))!=-1) fullVersion = nAgt.substring(verOffset+8); } // In MSIE, the true version is after "MSIE" in userAgent else if ((verOffset=nAgt.indexOf("MSIE"))!=-1) { b...
https://stackoverflow.com/ques... 

Further understanding setRetainInstance(true)

...tribute with a unique ID. Supply the android:tag attribute with a unique string. If you provide neither of the previous two, the system uses the ID of the container view. This strongly implies that if you do setContentView(R.layout.whatever) in Activity.onCreated() and that layout contains ...
https://stackoverflow.com/ques... 

Solving “The ObjectContext instance has been disposed and can no longer be used for operations that

...oading. E.g. if you have this entity: public class MemberLoan { public string LoandProviderCode { get; set; } public virtual Membership Membership { get; set; } } Entity Framework will return proxy inherited from this entity and provide DbContext instance to this proxy in order to allow laz...
https://stackoverflow.com/ques... 

iPhone/iOS JSON parsing tutorial [closed]

... SBJSON *parser = [[SBJSON alloc] init]; NSString *url_str=[NSString stringWithFormat:@"Example APi Here"]; url_str = [url_str stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; NSURLRequest *request =[NSURLRequest requestWithURL:[NSURL URLWithString:u...
https://stackoverflow.com/ques... 

Check whether an array is empty [duplicate]

...ro value. The following things are considered to be empty: "" (an empty string) 0 (0 as an integer) 0.0 (0 as a float) "0" (0 as a string) NULL FALSE array() (an empty array) var $var; (a variable declared, but without a value in a class) ...
https://stackoverflow.com/ques... 

When should one use RxJava Observable and when simple Callback on Android?

...r: inputObservable.debounce(1, TimeUnit.SECONDS).subscribe(new Action1<String>() { @Override public void call(String s) { // use Retrofit to create autocompletedata } }); I won't create the Callback variant but you will understand ...
https://www.tsingfun.com/it/cp... 

Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升

...设置App服务器: module(load="imtcp") template(name="msg" type="string" string="%msg:2:$%\n") ruleset(name="analysis") { action(type="omfile" File="/path/to/access.log" Template="msg") stop } input(type="imtcp" Port="<PORT>" Ruleset="analysis...
https://www.tsingfun.com/it/cp... 

Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升

...设置App服务器: module(load="imtcp") template(name="msg" type="string" string="%msg:2:$%\n") ruleset(name="analysis") { action(type="omfile" File="/path/to/access.log" Template="msg") stop } input(type="imtcp" Port="<PORT>" Ruleset="analysis...
https://www.tsingfun.com/it/cp... 

Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升

...设置App服务器: module(load="imtcp") template(name="msg" type="string" string="%msg:2:$%\n") ruleset(name="analysis") { action(type="omfile" File="/path/to/access.log" Template="msg") stop } input(type="imtcp" Port="<PORT>" Ruleset="analysis...