大约有 41,000 项符合查询结果(耗时:0.0520秒) [XML]
YAML current date in rmarkdown
...e in the YAML front-matter of a .rmd document to be processed by knitr and the rmarkdown package. I used to have the following line at the top of my wiki pages,
...
C/C++ check if one bit is set in, i.e. int variable
... there such a way to check if bit 3 in temp is 1 or 0 without bit shifting and masking.
21 Answers
...
Streaming video from Android camera to server
I've seen plenty of info about how to stream video from the server to an android device, but not much about the other way, ala Qik. Could someone point me in the right direction here, or give me some advice on how to approach this?
...
Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile
I am using Maven 3.0.5 and Spring Tool Source 3.2 with Maven plugin installed. When I try to do 'Run As---> Maven install', I am getting the following error:
...
Convert bytes to a string
I'm using this code to get standard output from an external program:
19 Answers
19
...
How to check if a Constraint exists in Sql server?
... queries for that:
--Returns one row for each CHECK, UNIQUE, PRIMARY KEY, and/or FOREIGN KEY
SELECT *
FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS
WHERE CONSTRAINT_NAME='XYZ'
--Returns one row for each FOREIGN KEY constrain
SELECT *
FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS
...
how to implement regions/code collapse in javascript
...
Blog entry here explains it and this MSDN question.
You have to use Visual Studio 2003/2005/2008 Macros.
Copy + Paste from Blog entry for fidelity sake:
Open Macro Explorer
Create a New Macro
Name it OutlineRegions
Click Edit macro and paste the fo...
SSH configuration: override the default username [closed]
...ostName example.net
User buck
The second example will set a username and is hostname specific, while the first example sets a username only. And when you use the second one you don't need to use ssh example.net; ssh example will be enough.
...
ab load testing
...
The apache benchmark tool is very basic, and while it will give you a solid idea of some performance, it is a bad idea to only depend on it if you plan to have your site exposed to serious stress in production.
Having said that, here's the most common and simplest ...
How can I do string interpolation in JavaScript?
...g written until the next character, requiring it to be hit twice to write (and writes two of them at this time). This is because some characters interact with them, such as "e". If I try to write "ello" with them, I get èllo``. It is also somewhat annoyingly located (shift+forwardtick, which is ano...
