大约有 47,000 项符合查询结果（耗时：0.0415秒） [XML]
C multi-line macro: do/while(0) vs scope block [duplicate]
...)
foo(a);
else
bar(a);
where 'foo' and 'bar' are ordinary functions. Now imagine that you'd
like to replace function 'foo' with a macro of the above nature
if (<condition>)
CALL_FUNCS(a);
else
bar(a);
Now, if your macro is defined in accordance with the second approach
(just { and...
NodeJS - Error installing with NPM
...a problem with the buffertools dependency, thats far as i can think. Dont know how maybe fix this?
13 Answers
...
How to get correct timestamp in C#
...date and time. The correct syntax to get current date and time is DateTime.Now, so change this:
String timeStamp = GetTimestamp(new DateTime());
to this:
String timeStamp = GetTimestamp(DateTime.Now);
share
|
...
Measure execution time for a Java method [duplicate]
...tTime);
In Java 8 (output format is ISO-8601):
Instant start = Instant.now();
Thread.sleep(63553);
Instant end = Instant.now();
System.out.println(Duration.between(start, end)); // prints PT1M3.553S
Guava Stopwatch:
Stopwatch stopwatch = Stopwatch.createStarted();
myCall();
stopwatch.stop(); ...
Single huge .css file vs. multiple smaller specific .css files? [closed]
... maintain. Highly, highly recommended. I personally use Sass (SCSS syntax) now, but used LESS previously. Both are great, with similar benefits. Once you've written CSS with a compiler, it's unlikely you'd want to do without one.
http://lesscss.org
http://sass-lang.com
If you don't want to mess a...
How do you use the ? : (conditional) operator in JavaScript?
...sion where an if...else
statement would be awkward. For
example:
var now = new Date();
var greeting = "Good" + ((now.getHours() > 17) ? " evening." : " day.");
The example creates a string
containing "Good evening." if it is
after 6pm. The equivalent code using
an if...else state...
CUDA incompatible with my gcc version
...s in newer CUDA toolchain release
As of the CUDA 4.1 release, gcc 4.5 is now supported. gcc 4.6 and 4.7 are unsupported.
As of the CUDA 5.0 release, gcc 4.6 is now supported. gcc 4.7 is unsupported.
As of the CUDA 6.0 release, gcc 4.7 is now supported.
As of the CUDA 7.0 release, gcc 4.8 is fully ...
What is the use of ObservableCollection in .net?
...ed,
INotifyPropertyChanged
As such it is very useful when you want to know when the collection has changed. An event is triggered that will tell the user what entries have been added/removed or moved.
More importantly they are very useful when using databinding on a form.
...
What's the bad magic number error?
...s -- this didn't directly help me figure out my problem, but it's nice to know the answer anyways!
– Noah
Feb 5 '09 at 3:36
...
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
...lin) and then set root password on phpMyAdmin . I forgot the password and now I am unable to login. When I try to change password through terminal I get:
...