大约有 44,000 项符合查询结果（耗时：0.0557秒） [XML]
What's the difference between an exclusive lock and a shared lock?
...hing while someone else is reading it, what then would they read? I don't know why you chose to pick out a "re-entrant" read-write lock specifically, but re-entrancy means that the owner of a re-entrant lock can 'lock()' it again and all subsequent lock() calls after the first one will return immedi...
How can I color Python logging output?
...essage only developers care about")
log.info("Curious users might want to know this")
log.warn("Something is wrong and any user should be informed")
log.error("Serious stuff, this is red for a reason")
log.critical("OH NO everything is on fire")
Output:
...
Representing and solving a maze given an image
...
@Whymarrh Well, for "Just this image" you now actually have an answer. Do you have any specific questions? Items 1-4 from my list are the manual processing I was asking about. Item 5 is a BFS - the very basic algorithm for graphs, but it can be applied to image direc...
HTTPS with Visual Studio's built-in ASP.NET Development Server
...
As of now we can use IIS Express to develop and test in SSL. Here is a complete article explaning how to use IIS Express and Visual Studion 2010 to develop websites in SSL.
Next
Then you will get this
Working with SSL at ...
font-style: italic vs oblique in CSS
...not to be italicized or obliqued... but people did anyway. And as you may know, some operating systems will, upon clicking the 'italic' icon, skew the font and create an oblique on the fly. Not a pleasant sight.
It's best to specify an italic only when you're sure that font has been designed with o...
Where is the syntax for TypeScript comments documented?
...
The right syntax is now the one used by TSDoc. It will allow you to have your comments understood by Visual Studio Code or other documentation tools.
A good overview of the syntax is available here and especially here. The precise spec should b...
How to secure an ASP.NET Web API [closed]
...n uses a secret key for each consumer which both consumer and server both know to hmac hash a message, HMAC256 should be used. Most of the cases, hashed password of the consumer is used as a secret key.
The message normally is built from data in the HTTP request, or even customized data which is ad...
Scatter plot and Color mapping in Python
...here is a reference page of colormaps showing what each looks like. Also know that you can reverse a colormap by simply calling it as cmap_name_r. So either
plt.scatter(x, y, c=t, cmap=cm.cmap_name_r)
# or
plt.scatter(x, y, c=t, cmap="cmap_name_r")
will work. Examples are "jet_r" or cm.plasma_...
What is an AngularJS directive?
...
OK I have a better understanding now. One way to think about it is: 1. DSL's usually represent syntax trees 2. The HTML DOM is a DSL syntax tree but it's a rigid one: the tags are mostly rigidly designed and purposed, and not extensible. 3. AngularJS and th...
How to create a custom-shaped bitmap marker with Android map API v2 [duplicate]
...t by looking at the Canvas and Drawables from the Android Developer page.
Now you also want to download a picture from an URL.
URL url = new URL(user_image_url);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setDoInput(true);
conn.connect();
InputStream is = co...