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Is iterating ConcurrentHashMap values thread safe?
... obtain from a ConcurrentHashMap is designed to be used by a single thread and should not be passed around. This includes the syntactic sugar that the for-each loop provides.
What happens if I try to iterate the map with two threads at the same time?
It will work as expected if each of the thr...
How to make UIButton's text alignment center? Using IB
...:
myButton.titleLabel?.textAlignment = NSTextAlignment.Center
Swift 4.x and above
myButton.titleLabel?.textAlignment = .center
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Iteration ng-repeat only X times in AngularJs
...ular comes with a limitTo:limit filter, it support limiting first x items and last x items:
<div ng-repeat="item in items|limitTo:4">{{item}}</div>
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DynamoDB vs MongoDB NoSQL [closed]
...ject, we plan to store from about 500k records per month in the first year and maybe more for the next years this is a vertical application so there's no need to use a database for this, that's the reason why I decided to choose a noSQL data storage.
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How to assert output with nosetest/unittest in python?
... into a single function, so I don't have to re-write any try-finally code, and I don't have to write setup and teardown functions just for this.
import sys
from contextlib import contextmanager
from StringIO import StringIO
@contextmanager
def captured_output():
new_out, new_err = StringIO(), ...
What does “./” (dot slash) refer to in terms of an HTML file path location?
... How does this answer the question? Apparently, Simon Suh understands that ./ refers to the same location where the referring file is. The main part of the question then is: "Why to use it and is it necessary at all?". The only reason to prefer the syntax of "./file" instead of "file" I wa...
Jsoup SocketTimeoutException: Read timed out
...:171)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
and only setting .userAgent(Opera) worked for me.
So I used Connection userAgent(String userAgent) method of Connection class to set Jsoup user agent.
Something like:
Jsoup.connect("link").userAgent("Opera").get();
...
Call Javascript function from URL/address bar
...yperlink, no. Not unless the page has script inside specifically for this and it's checking for some parameter....but for your question, no, there's no built-in support in browsers for this.
There are however bookmarklets you can bookmark to quickly run JavaScript functions from your address bar; ...
Factors in R: more than an annoyance?
... data types in R is factors. In my experience factors are basically a pain and I never use them. I always convert to characters. I feel oddly like I'm missing something.
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Load RSA public key from file
...ion when I tried with files I generated with ssh-keygen -t rsa -b 2048 command. With files generated with the commands in the solution it worked.
– Kristóf Dombi
Aug 10 '15 at 18:36
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