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difference between collection route and member route in ruby on rails?
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A member route will require an ID, because it acts on a member. A collection route doesn't because it acts on a collection of objects. Preview is an example of a member route, because it acts on (and displays) a single object. Search is an example of a col...
Differences between git pull origin master & git pull origin/master
...l checked-out branch.
git pull origin/master will pull changes from the locally stored branch origin/master and merge that to the local checked-out branch. The origin/master branch is essentially a "cached copy" of what was last pulled from origin, which is why it's called a remote branch in git pa...
Disable file preview in VS2012
In VS2012 when you select a file in solution explorer it automatically opens file in a special "preview" tab.
5 Answers
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How to output only captured groups with sed?
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I'd suggest using sed -E to use the so-called "modern" or "extended" regular expressions that look a lot closer to Perl/Java/JavaScript/Go/whatever flavors. (Compare to grep -E or egrep.) The default syntax has those strange escaping rules and is considered "obsol...
Firefox Web Console Disabled?
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This happens when the page itself defines a global variable called console, for example. If the page is browser-sniffing to decide whether to define it, the behavior could differ in different browsers.
In the case of Firefox it also happens when Firebug is installed and its console ...
Log all queries in mysql
...tead of --log. By default, queries that take 10 seconds or longer are considered slow, you can change this by setting long_query_time to the number of seconds a query must take to execute before being logged.
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腾讯Tencent开源框架介绍（持续更新） - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...展示，其作用类似于pthread_cond_wait
*/
struct stTask_t
{
int id;
};
struct stEnv_t
{
stCoCond_t* cond;
queue<stTask_t*> task_queue;
};
void* Producer(void* args)
{
co_enable_hook_sys();
stEnv_t* env= (stEnv_t*)args;
int id = 0;
while (true)
{
stTask_t* task = (s...
How to fix height of TR?
...ng text. I think you'll find that the only solution is to put the text inside a div element, like so:
td.container > div {
width: 100%;
height: 100%;
overflow:hidden;
}
td.container {
height: 20px;
}
<table>
<tr>
<td class="container">...
Error on renaming database in SQL Server 2008 R2
... answered May 22 '13 at 7:02
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Scala: What is a TypeTag and how do I use it?
...ated, that means that the compiler creates and fills in a TypeTag when one calls a method expecting such a TypeTag. There exist three different forms of tags:
scala.reflect.ClassTag
scala.reflect.api.TypeTags#TypeTag
scala.reflect.api.TypeTags#WeakTypeTag
ClassTag substitutes ClassManifest where...