大约有 45,000 项符合查询结果(耗时:0.0695秒) [XML]
What is the difference between JSON and Object Literal Notation?
...nce between a JavaScript object defined by using Object Literal Notation and JSON object ?
10 Answers
...
Reshaping data.frame from wide to long format
...alues (as a result of the , in the numbers). You can repair that with gsub and as.numeric:
long$value <- as.numeric(gsub(",", "", long$value))
Or directly with data.table or dplyr:
# data.table
long <- melt(setDT(wide),
id.vars = c("Code","Country"),
variable.name...
How to use conditional breakpoint in Eclipse?
...
Put your breakpoint.
Right-click the breakpoint image on the margin and choose Breakpoint Properties:
Configure condition as you see fit:
share
|
improve this answer
|
...
How to mock an import
.... However under test conditions I'd like to mock B in A (mock A.B ) and completely refrain from importing B .
8 An...
Hashing a file in Python
...g our hashes of this bad boy in 64kb chunks as we go along with hashlib's handy dandy update method. This way we use a lot less memory than the 2gb it would take to hash the guy all at once!
You can test this with:
$ mkfile 2g bigfile
$ python hashes.py bigfile
MD5: a981130cf2b7e09f4686dc273cf7187...
jQuery Ajax calls and the Html.AntiForgeryToken()
...a user across all pages (it works in conjunction with a cookie that is set and stays the same). So it doesn't matter if there are multiple requests per page, it'll be the same if the base page reloaded anyway.
– JeremyWeir
Dec 28 '15 at 10:58
...
Clang vs GCC for my Linux Development project
I'm in college, and for a project we're using C. We've explored GCC and Clang, and Clang appears to be much more user friendly than GCC. As a result, I'm wondering what the advantages or disadvantages are to using clang, as opposed to GCC, for developing in C and C++ on Linux?
...
Counting Line Numbers in Eclipse [closed]
I have a Java project in Eclipse with ~10 packages and ~10 class files per package. Is there a way to determine total lines of code for the whole project from within Eclipse? I am familiar with other tools (e.g., Code Analyzer, wc, etc.) but I want to know if there is a way to do this within Eclip...
CMake link to external library
... libraries search path first:
LINK_DIRECTORIES(${CMAKE_BINARY_DIR}/res)
And then just do
TARGET_LINK_LIBRARIES(GLBall mylib)
share
|
improve this answer
|
follow
...
How to tell git to ignore individual lines, i.e. gitignore for specific lines of code [duplicate]
...se problems, but I'll try implementing it some other time.
Thanks to Rudi and jw013 for mentioning git filters and gitattributes.
share
|
improve this answer
|
follow
...
