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How to check internet access on Android? InetAddress never times out
...t is available.
B) Connect to a Socket on the Internet (advanced)
// TCP/HTTP/DNS (depending on the port, 53=DNS, 80=HTTP, etc.)
public boolean isOnline() {
try {
int timeoutMs = 1500;
Socket sock = new Socket();
SocketAddress sockaddr = new InetSocketAddress("8.8.8.8",...
What is the best regular expression to check if a string is a valid URL?
... my URL (actually IRI, internationalized) pattern to comply with RFC 3987 (http://www.faqs.org/rfcs/rfc3987.html). These are in PCRE syntax.
For absolute IRIs (internationalized):
/^[a-z](?:[-a-z0-9\+\.])*:(?:\/\/(?:(?:%[0-9a-f][0-9a-f]|[-a-z0-9\._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{FFEF}...
Flexbox: center horizontally and vertically
...item">4</div>
</div>
</div>
See demo at: http://jsfiddle.net/audetwebdesign/tFscL/
Your .flex-item elements should be block level (div instead of span) if you want the height and top/bottom padding to work properly.
Also, on .row, set the width to auto instead of ...
How to create JSON string in C#
I just used the XmlWriter to create some XML to send back in an HTTP response. How would you create a JSON string. I assume you would just use a stringbuilder to build the JSON string and them format your response as JSON?
...
Where is svcutil.exe in Windows 7?
...ual Studio version.
e.g. Developer Command Prompt for VS 2015
More here https://msdn.microsoft.com/en-us/library/ms229859(v=vs.110).aspx
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Lightweight SQL editor for Eclipse [closed]
...new software", under Database Development
or enter site location directly
http://download.eclipse.org/datatools/updates
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Difference between Node object and Element object?
...ode.prototype
true
Here are some docs for the Node and Element classes:
https://developer.mozilla.org/en-US/docs/DOM/Node
https://developer.mozilla.org/en-US/docs/DOM/Element
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How to find where gem files are installed
...e => false
- :bulk_threshold => 1000
- REMOTE SOURCES:
- https://rubygems.org/
- SHELL PATH:
- /Users/ttm/.rbenv/versions/2.0.0-p247/bin
- /Users/ttm/.rbenv/libexec
- /Users/ttm/.rbenv/plugins/ruby-build/bin
- /Users/ttm/perl5/perlbrew/bin
- /Users/ttm/pe...
HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK
...o set cacert.pem to curl.cainfo.
Since PHP 5.3.7 you could do:
download https://curl.haxx.se/ca/cacert.pem and save it somewhere.
update php.ini -- add curl.cainfo = "PATH_TO/cacert.pem"
Otherwise you will need to do the following for every cURL resource:
curl_setopt ($ch, CURLOPT_CAINFO, "PAT...
String concatenation vs. string substitution in Python
...return "%s%s/%d" % (DOMAIN, QUESTIONS, n)
...
>>> so_q_sub(1000)
'http://stackoverflow.com/questions/1000'
>>> def so_q_cat(n):
... return DOMAIN + QUESTIONS + '/' + str(n)
...
>>> so_q_cat(1000)
'http://stackoverflow.com/questions/1000'
>>> t1 = timeit.Timer('so...