大约有 47,000 项符合查询结果(耗时:0.0755秒) [XML]

https://stackoverflow.com/ques... 

What is a pre-revprop-change hook in SVN, and how do I create it?

... Basically it's a script that is launched before unversioned property is modified on the repository, so that you can manage more precisely what's happening on your repository. There are templates in the SVN distrib for different h...
https://stackoverflow.com/ques... 

Cell spacing in UICollectionView

... This is a much better answer. Take a look at the callbacks you can adjust in the UICollectionViewDelegateFlowLayout and you can see how this can be tweaked. – cynistersix Dec 17 '14 at 2:52 ...
https://stackoverflow.com/ques... 

EntityType has no key defined error

... { [Key] public int RollNo { get; set; } public string Name { get; set; } public string Stream { get; set; } public string Div { get; set; } } } share | ...
https://stackoverflow.com/ques... 

Nginx reverse proxy causing 504 Gateway Timeout

...nd it had to do with not using a keep-alive on the connection. I can't actually answer why this is but, in clearing the connection header I solved this issue and the request was proxied just fine: server { location / { proxy_set_header X-Real-IP $remote_addr; proxy_set_header ...
https://stackoverflow.com/ques... 

Different between parseInt() and valueOf() in java?

... Well, the API for Integer.valueOf(String) does indeed say that the String is interpreted exactly as if it were given to Integer.parseInt(String). However, valueOf(String) returns a new Integer() object whereas parseInt(String) returns a primitive int. If yo...
https://stackoverflow.com/ques... 

Split List into Sublists with LINQ

...n Enumerable.Range(1, int.MaxValue) .Select(x => x + new string('x', 100000)) .Clump(10000).Skip(100).First()) { Console.Write('.'); } // OutOfMemoryException Finally, any implementation should be able to handle out of order iteration of chunks, for example: En...
https://stackoverflow.com/ques... 

Sorting HashMap by values [duplicate]

..., you could sort hashmap just like this: public LinkedHashMap<Integer, String> sortHashMapByValues( HashMap<Integer, String> passedMap) { List<Integer> mapKeys = new ArrayList<>(passedMap.keySet()); List<String> mapValues = new ArrayList<>(passedM...
https://stackoverflow.com/ques... 

Best Practices: Salting & peppering passwords?

...sult in a far weaker hash than bcrypt(pw, salt) if hash() returns a binary string. Working Against Design The way bcrypt (and other password hashing algorithms) were designed is to work with a salt. The concept of a pepper was never introduced. This may seem like a triviality, but it's not. The rea...
https://stackoverflow.com/ques... 

How to add double quotes to a string that is inside a variable?

... You need to escape them by doubling them (verbatim string literal): string str = @"""How to add doublequotes"""; Or with a normal string literal you escape them with a \: string str = "\"How to add doublequotes\""; ...
https://stackoverflow.com/ques... 

Java: how to initialize String[]?

... errorSoon, as indicated by the error message, you have only declared it. String[] errorSoon; // <--declared statement String[] errorSoon = new String[100]; // <--initialized statement You need to initialize the array so it can allocate the correct memory storage for the S...