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What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
I'm apparently terrible at using git, despite my best attempts to understand it.
4 Answers
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switch() statement usage
...s in favor of switch:
# Simplified to only measure the overhead of switch vs if
test1 <- function(type) {
switch(type,
mean = 1,
median = 2,
trimmed = 3)
}
test2 <- function(type) {
if (type == "mean") 1
else if (type == "median") 2
else if (type == "trimmed") 3
...
Visual Studio window which shows list of methods
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@ChrisF it seems that I cant't see that window in vs2012. How to enable it?
– ysrb
Apr 12 '13 at 10:04
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Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplica
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Potential cache benefits
Pre-parsed SQL -- similar benefits to compiled vs. interpreted code, except on a very micro level.
Still an advantage?
Not very noticeable at all on the modern CPU, but if you are sending a single SQL statement that is VERY large eleventy-billion times a second, the pa...
SOAP vs REST (differences)
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REST vs SOAP is not the right question to ask.
REST, unlike SOAP is not a protocol.
REST is an architectural style and a design for network-based software architectures.
REST concepts are referred to as resources. A representat...
asynchronous vs non-blocking
What is the difference between asynchronous and non-blocking calls? Also between blocking and synchronous calls (with examples please)?
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TCP 的那些事儿（下） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...sender这边收到了3个Duplicated Acks，进入Fast Retransimit模式，开发重传重复Acks指示的那个包。如果只有这一个包丢了，那么，重传这个包后回来的Ack会把整个已经被sender传输出去的数据ack回来。如果没有的话，说明有多个包丢了。我...
Version vs build in Xcode
I have an app that I developed with Xcode 3 and recently started editing with Xcode 4. In the target summary I have the iOS application target form with fields: identifier, version, build, devices, and deployment target. The version field is blank and the build field is 3.4.0 (which matches the vers...
How do you reset the Zoom in Visual Studio 2010 and above
How do you reset the "Zoom" in VS 2010 and above back to normal?
7 Answers
7
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Iterator Loop vs index loop [duplicate]
I'm reviewing my knowledge on C++ and I've stumbled upon iterators. One thing I want to know is what makes them so special and I want to know why this:
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