大约有 15,000 项符合查询结果(耗时:0.0308秒) [XML]
Difference between numpy.array shape (R, 1) and (R,)
...ts, shape = (2,).
# Note there's nothing after the comma.
z=np.array([ # start dimension
10, # not a dimension
20 # not a dimension
]) # end dimension
print(z.shape)
(2,)
# 2 dimensions, each with 1 element, shape = (2,1)
w=np.array([ # start outer dimension...
Getting Java version at runtime
... {
String version = System.getProperty("java.version");
if(version.startsWith("1.")) {
version = version.substring(2, 3);
} else {
int dot = version.indexOf(".");
if(dot != -1) { version = version.substring(0, dot); }
} return Integer.parseInt(version);
}
No...
What is a message pump?
...ith the message.
Every GUI enabled .NET program has a message loop, it is started by Application.Run().
The relevance of a message loop to Office is related to COM. Office programs are COM-enabled programs, that's how the Microsoft.Office.Interop classes work. COM takes care of threading on beha...
What are the differences between django-tastypie and djangorestframework? [closed]
...mething really big like Quora, Facebook or Google.
Personally, I ended up starting working first on TastyPie at a time when I didn’t even know django properly. It all made sense at that time, only knowing REST and HTTP very well but with almost no or little knowledge about django. Because my only...
SQL Server Configuration Manager not found
... SQL Server 2008, I cannot find the SQL Server Configuration Manager in Start / SQL Server 2008 / Configuration Tools menu.
...
How do you overcome the svn 'out of date' error?
...
I changed the svn:ignore property of a folder, and started getting the out of date error. But as you said, just updating it worked.
– Sushant
Oct 21 '09 at 6:49
...
java: run a function after a specific number of seconds
...
Something like this:
// When your program starts up
ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();
// then, when you want to schedule a task
Runnable task = ....
executor.schedule(task, 5, TimeUnit.SECONDS);
// and finally, wh...
How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
...it determines it will take the branch, then it has to invalidate that, and start at the branch target.
Most modern processors now have some sort of branch prediction, but that only assists when you've been through the branch before, and the branch is still in the branch prediction cache.
There are...
Listing all extras of an Intent
...<String> it = keys.iterator();
Log.e(LOG_TAG,"Dumping Intent start");
while (it.hasNext()) {
String key = it.next();
Log.e(LOG_TAG,"[" + key + "=" + bundle.get(key)+"]");
}
Log.e(LOG_TAG,"Dumping Intent end");
}
}
...
How do you comment out code in PowerShell?
...
Single line comments start with a hash symbol, everything to the right of the # will be ignored:
# Comment Here
In PowerShell 2.0 and above multi-line block comments can be used:
<#
Multi
Line
#>
You could use block comments t...
