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How to remove trailing whitespace of all files recursively?
... use [[:blank:]] to remove both tabs and spaces.
– Leif Gruenwoldt
Mar 13 '12 at 15:32
21
In Moun...
RESTful call in Java
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If you are calling a RESTful service from a Service Provider (e.g Facebook, Twitter), you can do it with any flavour of your choice:
If you don't want to use external libraries, you can use java.net.HttpURLConnection or java...
How to add include path in Qt Creator?
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If you are using qmake, the standard Qt build system, just add a line to the .pro file as documented in the qmake Variable Reference:
INCLUDEPATH += <your path>
If you are using your own build system, you create a pr...
How can I keep my branch up to date with master with git?
...s will bring in all the commits from master, not just the bug fix. Be sure if this is what you want to do.
– manojlds
Apr 17 '11 at 5:03
12
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Why doesn't Objective-C support private methods?
...here and in other questions), compile-time private methods are supported; if a class doesn't declare a method in its publicly available interface, then that method might as well not exist as far as your code is concerned. In other words, you can achieve all of the various combinations of visibilit...
C++ catching all exceptions
...ered bad design. You can use c++11's new current_exception mechanism, but if you don't have the ability to use c++11 (legacy code systems requiring a rewrite), then you have no named exception pointer to use to get a message or name. You may want to add separate catch clauses for the various exce...
How to intercept all AJAX requests made by different JS libraries
I am building a web app with different JS libraries (AngularJS, OpenLayers,...) and need a way to intercept all AJAX responses to be able, in case the logged user session expired (response gets back with 401 Unauthorized status), to redirect him to the login page.
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Postgres and Indexes on Foreign Keys and Primary Keys
... columns.
Therefore you have to create indexes on foreign-keys yourself if you want them.
Note that if you use primary-foreign-keys, like 2 FK's as a PK in a M-to-N table, you will have an index on the PK and probably don't need to create any extra indexes.
While it's usually a good idea to cre...
Distinct by property of class with LINQ [duplicate]
...@Nani generally speaking you're right, but since a group will only created if there is a matching element in the collection, there will be at least one element per group. --> First() is totally okay in this usecase.
– Maximilian Ast
Sep 16 '18 at 19:07
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用Javascript获取页面元素的位置（全） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，就代表了网页的大小。
function getViewport(){
if (document.compatMode == "BackCompat"){
return {
width: document.body.clientWidth,
height: document.body.clientHeight
}
} e...