大约有 40,000 项符合查询结果（耗时：0.0645秒） [XML]
Open a folder using Process.Start
...none of these (well, except the one that throws an exception) work on your computer, I don't think that the problem lies in the code, but in the environment. If that is the case, I would try one (or both) of the following:
Open the Run dialog, enter "explorer.exe" and hit enter
Open a command prom...
Difference between partition key, composite key and clustering key in Cassandra?
...means that it is made by a single column.
But the primary key can also be COMPOSITE (aka COMPOUND), generated from more columns.
create table stackoverflow_composite (
key_part_one text,
key_part_two int,
data text,
PRIMARY KEY(key_part_one, key_part_two)
);
In a...
How to get parameters from the URL with JSP
...lowing the question mark on the URL). For example, the URL http://hostname.com?p1=v1&p2=v2 contains two request parameters - - p1 and p2. In a POST request, the request parameters are taken from both query string and the posted data which is encoded in the body of the request.
This example demo...
How to check if a file exists in Go?
...s, equivalent to Python's if os.path.exists(filename):
Edited: per recent comments
if _, err := os.Stat("/path/to/whatever"); err == nil {
// path/to/whatever exists
} else if os.IsNotExist(err) {
// path/to/whatever does *not* exist
} else {
// Schrodinger: file may or may not exist. See ...
Free space in a CMD shell
...ter the output by various command-line options.
You can get it from http://www.paulsadowski.com/WSH/cmdprogs.htm, http://unxutils.sourceforge.net/ or somewhere else. It's a standard unix-util like du.
df -h will show all your drive's used and available disk space. For example:
M:\>df -h
Filesyst...
Extreme wait-time when taking a SQL Server database offline
...abase restore from live backup) on my dev database, but the 'Take Offline' command via SQL Server Management Studio is performing extremely slowly - on the order of 30 minutes plus now. I am just about at my wits end and I can't seem to find any references online as to what might be causing the sp...
Are HTTPS URLs encrypted?
...m - not versions, fields that each contain a version number!)
From https://www.ietf.org/rfc/rfc3546.txt:
3.1. Server Name Indication
[TLS] does not provide a mechanism for a client to tell a server
the name of the server it is contacting. It may be desirable for
clients to provide this infor...
Why should I use Google's CDN for jQuery?
...f using a CDN and if it provides the expected performance benefits.
http://www.root777.com/appdev/does-using-google-libraries-api-cdn-give-you-performance-benefits
share
|
improve this answer
...
Visually managing MongoDB documents and collections [closed]
... test documents. While I don't have too much trouble using the JSON-based command-line tools, it gets extremely tedious to have to keep searching for documents, copy-and-pasting OIDs, etc., especially from a command prompt window (ever tried to "mark" text that wraps multiple lines?)
...
How to mark-up phone numbers?
...ion, I was tempted to follow this approach, too. Use the standard and tell complaining people, that they use the bad app/tool. Although it gets hard, if this one is your client, I think, you're right. If nonetheless I have to consider Skype users, I'll go with my JavaScript solution the other way ro...