大约有 15,630 项符合查询结果（耗时：0.0225秒） [XML]
What is the difference between statically typed and dynamically typed languages?
...ing how Python (dynamically typed) and Go (statically typed) handle a type error:
def silly(a):
if a > 0:
print 'Hi'
else:
print 5 + '3'
Python does type checking at run time, and therefore:
silly(2)
Runs perfectly fine, and produces the expected output Hi. Error is...
Get $_POST from multiple checkboxes
...
@Tyzoid empty() doesn't cause this error. From the manual: empty() does not generate a warning if the variable does not exist.
– Mārtiņš Briedis
Aug 2 '13 at 7:07
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Will writeToFile:atomically: overwrite data?
...ails, and the original file is intact. As writeToFile does not return an NSError, how can I investigate the failure? it may be a permissions issue, but I can't be sure. My code runs as an Installer Plugin Bundle, for an installation package that demands root privileges -- I don't know how to verify/...
Smooth GPS data
...;
/// <param name="accuracy">measurement of 1 standard deviation error in metres</param>
/// <param name="TimeStamp_milliseconds">time of measurement</param>
/// <returns>new state</returns>
public void Process(double lat_measurement, double lng_me...
Applicatives compose, monads don't
...statement: list <*> pure True <*> pure "hello" <*> pure (error "bad")....I get "hello" and the error never occurs. This code isn't nearly as safe or controlled as a monad, but the post seems like it's suggesting that applicatives cause strict evaluation. Overall great post though! ...
Update R using RStudio
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I get an error: Error in file(con, "r") : cannot open the connection.. Any ideas?
– Derelict
Aug 18 '15 at 14:31
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Do I need to convert .CER to .CRT for Apache SSL certificates? If so, how?
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Will this solve ssl cert errors, when behind zscaler, running vagrant on win (vbox homestead), by installing our trusted root certs into the vagrant box? I scp'd them, then used your conversion and symlinked them into /etc/ssl/certs and also copied ...
Redis connection to 127.0.0.1:6379 failed - connect ECONNREFUSED
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that error fixed but now new error show i.e, "Error: ERR wrong number of arguments for 'set' command"
– vineet
Aug 27 '15 at 11:58
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mysql_config not found when installing mysqldb python interface
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Can we finally admit that 'pip' is a colossal failure? Errors like this are such a pain, and they seem to happen with the majority of packages. Python badly needs a new solution to package management.
– Eddie Sullivan
Sep 14 '17 at 22:30
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How do I change read/write mode for a file using Emacs?
... and, if it returns 0, return the output as a string.
Otherwise, signal an error. The error message is the first line of the output."
(let ((output-buffer (generate-new-buffer "*stdout*")))
(unwind-protect
(let ((return-value (apply 'call-process command nil
output-bu...