大约有 40,000 项符合查询结果（耗时：0.0819秒） [XML]
Efficiently test if a port is open on Linux?
... to connect by loopback. If it fails, then the port is closed or we aren't allowed access. Afterwards, close the connection.
Modify this for your use case, such as sending an email, exiting the script on failure, or starting the required service.
...
Split Strings into words with multiple word boundary delimiters
...ied:
import re
DATA = "Hey, you - what are you doing here!?"
print re.findall(r"[\w']+", DATA)
# Prints ['Hey', 'you', 'what', 'are', 'you', 'doing', 'here']
share
|
improve this answer
|...
Create a branch in Git from another branch
... newbies, this is what a --no-ff merge looks like
– A__
Oct 6 '18 at 23:01
|
show 10 more comments
...
When NOT to use Cassandra?
...Why use NoSQL
In the case of RDBMS, making a choice is quite easy because all the databases like MySQL, Oracle, MS SQL, PostgreSQL in this category offer almost the same kind of solutions oriented toward ACID properties. When it comes to NoSQL, the decision becomes difficult because every NoSQL dat...
Modify UIImage renderingMode from a storyboard/xib file
...er it's used rather than just in one interface builder file, but in almost all cases (that I've encountered) this is the behavior you want.
A few things to note:
The image color will not appear to have changed in interface builder (as of Xcode 6.1.1) but will work when the application is run.
I...
How do I sort an NSMutableArray with custom objects in it?
...rrayUsingSelector:@selector(compare:)];
NSSortDescriptor (better)
or usually even better:
NSSortDescriptor *sortDescriptor;
sortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"birthDate"
ascending:YES];
NSArray *sortedArray = [drinkDetails sortedAr...
Programmatically selecting text in an input field on iOS devices (mobile Safari)
How do you programmatically select the text of an input field on iOS devices, e.g. iPhone, iPad running mobile Safari?
10 A...
Handle ModelState Validation in ASP.NET Web API
...ile
services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2).ConfigureApiBehaviorOptions(options =>
{
options.InvalidModelStateResponseFactory = (context) =>
{
var errors = context.ModelState.Values.SelectMany(...
How do I install jmeter on a Mac?
...
The easiest way to install it is using Homebrew:
brew install jmeter
Or if you need plugins also:
brew install jmeter --with-plugins
And to open it, use the following command (since it doesn't appear in your Applications):
open /usr/local/bi...
How to properly seed random number generator
...se if you're setting the seed to the time in a fast loop, you'll probably call it with the same seed many times.
In your case, as you're calling your randInt function until you have a different value, you're waiting for the time (as returned by Nano) to change.
As for all pseudo-random libraries, ...