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Difference between return and exit in Bash functions
...a function to stop executing and return the value specified by n to its caller. If n is omitted, the return status is that of the last command executed in the function body.
... on exit [n]:
Cause the shell to exit with a status of n. If n is omitted, the exit status is that of the...
Download file from web in Python 3
...contents of a web page into a variable, just read the response of urllib.request.urlopen:
import urllib.request
...
url = 'http://example.com/'
response = urllib.request.urlopen(url)
data = response.read() # a `bytes` object
text = data.decode('utf-8') # a `str`; this step can't be used if data...
TaifunWiFi 拓展：WiFi Manager WiFi管理器扩展 · App Inventor 2 中文网
...置权限是否授予()
检查应用是否被授予位置权限。
RequestLocationPermission 请求位置权限()
请求位置权限。
AddNetworkSuggestion 添加网络建议(SSID,密码)
添加网络建议（Network Suggestion API）。
RemoveNetworkSuggestion 移除网络建议(S...
How to re-sign the ipa file?
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It's really easy to do from the command line. I had a gist of a script for doing this. It has now been incorporated into the ipa_sign script in https://github.com/RichardBronosky/ota-tools which I use daily. If you have any question...
Ternary Operator Similar To ?:
...t; {x => x.endsWith("$") ? x.init | x}
res1: String = List
Is this adequate for your needs?
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What order are the Junit @Before/@After called?
I have an Integration Test Suite. I have a IntegrationTestBase class for all my tests to extend. This base class has a @Before ( public void setUp() ) and @After ( public void tearDown() ) method to establish API and DB connections. What I've been doing is just overriding those two methods in ...
Minimal web server using netcat
...ere is no way for your program (the date-replacement) to get the browser request. So you probably finally want to do something like this:
while true ; do nc -l -p 1500 -e /path/to/yourprogram ; done
Where yourprogram must do the protocol stuff like handling GET, sending HTTP 200 etc.
...
How to filter Pandas dataframe using 'in' and 'not in' like in SQL
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If you're actually dealing with 1-dimensional arrays (like in you're example) then on you're first line use a Series instead of a DataFrame, like @DSM used: df = pd.Series({'countries':['US','UK','Germany','China']})
–...
How can I get query string values in JavaScript?
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For a querystring of ?mykey=0&m.+key=1, calling getParameterByName("m.+key") would return 0 instead of 1. You need to escape the regular expression metacharacters in name before building your regular expression. And you only need to call .replace() once by using t...
How to change maven logging level to display only warning and errors?
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Answering your question
I made a small investigation because I am also interested in the solution.
Maven command line verbosity options
According to http://books.sonatype.com/mvnref-book/reference/running-sect-options.html#running-sect-verbose-option
-e for e...