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Can I use assert on Android devices?
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See the Embedded VM Control document (raw HTML from the source tree, or a nicely formatted copy).
Basically, the Dalvik VM is set to ignore assertion checks by default, even though the .dex byte code includes the code to perform the check. Checking assertions is turned ...
How do I include a pipe | in my linux find -exec command?
...cient solution in terms of number of command invocations is the suggestion from Paul Tomblin:
find . -name "file_*" -follow -type f -print0 | xargs -0 zcat | agrep -dEOE 'grep'
... which costs one invocation of find, one invocation of xargs, a few invocations of zcat and one invocation of agrep.
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How to change variables value while debugging with LLDB in Xcode?
...t; ( --dynamic-value <boolean> )
Upcast the value resulting from the expression to its dynamic type
if available.
-f <format> ( --format <format> )
Specify a format to be used for display.
-o ( --object-description )
Print the object descr...
Filtering a list of strings based on contents
...t say they're very important to me, but I believe even newbies can benefit from thinking about programming this way, and definitely wouldn't call it inflicting.
– Eli Bendersky
Jan 28 '10 at 13:19
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How to do a simple file search in cmd
I want to quickly search for a file given its name or part of its name, from the windows command line (not power shell). This is similar to opening explorer and using the search box at the top.
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Why doesn't std::queue::pop return value.?
...queue (top_position in my naive implementation) and the element is removed from the queue (and not returned). For all intents and purposes (no matter how you catch the exception in client code) the element at the top of the queue is lost.
This implementation is also inefficient in the case when you...
How to send POST request?
...party dependencies, this is how you send POST request purely in Python 3.
from urllib.parse import urlencode
from urllib.request import Request, urlopen
url = 'https://httpbin.org/post' # Set destination URL here
post_fields = {'foo': 'bar'} # Set POST fields here
request = Request(url, urlen...
Take the content of a list and append it to another list
...st
Using the list classes extend method, you can do a copy of the elements from one list onto another. However this will cause extra memory usage, which should be fine in most cases, but might cause problems if you want to be memory efficient.
a = [0,1,2]
b = [3,4,5]
a.extend(b)
>>[0,1,2,3,4,5...
Where is nodejs log file?
...errors to STDERR and output to STDOUT. You can change that when you run it from your shell to log to a file instead.
node my_app.js > my_app_log.log 2> my_app_err.log
Alternatively (recommended), you can add logging inside your application either manually or with one of the many log librari...
How to get past the login page with Wget?
...te-after to the first retrieval so you don't end up saving the result page from logging in.
– Jim Hunziker
Jan 2 '13 at 15:41
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