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What's the “big idea” behind compojure routes?
...ing the HTTP response.
;; Let's take a look at an example:
(defn what-is-my-ip [request]
{:status 200
:headers {"Content-Type" "text/plain"}
:body (:remote-addr request)})
Pretty simple, but also quite low-level.
The above handler can be defined more concisely using the ring/util library...
What do linkers do?
...code you write into binaries but what do linkers do? They've always been a mystery to me.
4 Answers
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Oracle 11.2.0.4 RAC FOR redhat 6.4 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...t;
17.alter table TASK_FEEDBACK allocate extent;
18.alter table TASK_MYTASKTYPE allocate extent;
19.alter table TOUSER_MESSAGE allocate extent;
20.alter table ABOUTUSER_POINT allocate extent;
21.alter table ABOUTUSER_POINT_MARK allocate extent;
22.alter table ABOUTUSER_QUERYKEY all...
How can I efficiently select a Standard Library container in C++11?
...
1.1. I couldn't care less about order, thus an unordered_ container
1.2. My key (ID) is separate from the value it is associated with, thus a map
1.3. The ID is unique, thus no duplicate should creep in.
The final answer is: std::unordered_map<ID, PersonData>.
Question 2: Memory stable...
What is a mixin, and why are they useful?
... Hey, do you like that phrase "polymorphic resonance"? Made it up myself. I think. Maybe I heard it in physics somewhere...
– Randolpho
Feb 10 '09 at 19:01
50
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How to convert a std::string to const char* or char*?
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Use the .c_str() method for const char *.
You can use &mystring[0] to get a char * pointer, but there are a couple of gotcha's: you won't necessarily get a zero terminated string, and you won't be able to change the string's size. You especially have to be careful not to add char...
Rebasing a branch including all its children
...on't want the * itself. Something like | tr -d * would be better suited. My question though is: Why is this using --onto B? I thought it should be rebased on top of master. Also isn't C^ not the same as B? so we are rebasing from B(excluding?) to each branch containing C on top of ... B. Wouldn't ...
List comprehension vs map
...le to use map, though it is considered 'unpythonic'. For example, map(sum, myLists) is more elegant/terse than [sum(x) for x in myLists]. You gain the elegance of not having to make up a dummy variable (e.g. sum(x) for x... or sum(_) for _... or sum(readableName) for readableName...) which you have ...
Difference between volatile and synchronized in Java
...ect is published
// Using code
private String getError() {
SomeObject myCopy=SharedLocation.someObject; // gets current copy
...
int cod=myCopy.getErrorCode();
String txt=myCopy.getErrorText();
return (cod+" - "+txt);
}
// And so on, with myCopy always in a consistent state ...
What are deferred objects?
...
Please explain more. How do I create my own custom Deferred Objects. How do they work?
– user113716
Feb 1 '11 at 18:59
3
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