大约有 40,000 项符合查询结果(耗时:0.0885秒) [XML]

https://stackoverflow.com/ques... 

How can I correctly prefix a word with “a” and “an”?

...uick filter program that spits out only article text (the download is generally in XML format, along with non-article metadata too). Find all instances of a(n).... and make an index on the following word and all of its prefixes (you can use a simple suffixtrie for this). This should be case sensitiv...
https://stackoverflow.com/ques... 

Best way to test for a variable's existence in PHP; isset() is clearly broken

... This looks a bit ugly to me, but in the case where you're actually checking an array element, it makes much more sense: isset($foo[$bar]) becomes array_key_exists($bar, $foo) – Arild Aug 25 '14 at 14:12 ...
https://stackoverflow.com/ques... 

When should I use Arrow functions in ECMAScript 6?

... A while ago our team migrated all its code (a mid-sized AngularJS app) to JavaScript compiled using Traceur Babel. I'm now using the following rule of thumb for functions in ES6 and beyond: Use function in the global scope and for Object.prototype prope...
https://stackoverflow.com/ques... 

Timeout a command in bash without unnecessary delay

...y, Bash does not support floating point arithmetic (sleep does), therefore all delay/time values must be integers. EOF } # Options. while getopts ":t:i:d:" option; do case "$option" in t) timeout=$OPTARG ;; i) interval=$OPTARG ;; d) delay=$OPTARG ;; *) printUsage...
https://stackoverflow.com/ques... 

Entity Framework: There is already an open DataReader associated with this Command

I am using Entity Framework and occasionally i will get this error. 17 Answers 17 ...
https://stackoverflow.com/ques... 

Static nested class in Java, why?

...ike any other top-level class. In effect, a static nested class is behaviorally a top-level class that has been nested in another top-level class for packaging convenience. There is no need for LinkedList.Entry to be top-level class as it is only used by LinkedList (there are some other interface...
https://stackoverflow.com/ques... 

Linq Query keeps throwing “Unable to create a constant value of type System.Object…”, Why?

...tBindingSource.Position = accountBindingSource.IndexOf(_dataService.Db.Accounts.First(ac => ac.AccountName == name)); accountBindingSource_CurrentChanged(sender, e); } buggy code: private void onTopAccBtnClick(object sender, EventArgs e) { accountBin...
https://stackoverflow.com/ques... 

What are invalid characters in XML

... escaped using XML entities, in this case you want & for &. Really, though, you should use a tool or library that writes XML for you and abstracts this kind of thing away for you so you don't have to worry about it. ...
https://stackoverflow.com/ques... 

What does .SD stand for in data.table in R

.SD looks useful but I do not really know what I am doing with it. What does it stand for? Why is there a preceding period (full stop). What is happening when I use it? ...
https://stackoverflow.com/ques... 

How can I create a self-signed cert for localhost?

... I followed all these steps and I'm getting a ERR_SSL_VERSION_OR_CIPHER_MISMATCH in Chrome 60 and Safari 10.1.2 doesn't like it either. – styfle Aug 5 '17 at 21:19 ...