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How to split a string in Haskell?
... Could not find module ‘Text.Regex’ Perhaps you meant Text.Read (from base-4.10.1.0)
– Andrew Koster
Jul 2 at 15:58
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How to map atan2() to degrees 0-360
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Just add 360° if the answer from atan2 is less than 0°.
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How to access environment variable values?
... PYTHONPATH is used to add new search path to Python (sys.path) from outside Python. Have a look at docs.python.org/using/cmdline.html#environment-variables
– Rod
Feb 7 '11 at 14:41
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Dialog with transparent background in Android
How do I remove the black background from a dialog box in Android. The pic shows the problem.
20 Answers
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How to retry after exception?
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Do a while True inside your for loop, put your try code inside, and break from that while loop only when your code succeeds.
for i in range(0,100):
while True:
try:
# do stuff
except SomeSpecificException:
continue
break
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php is null or empty?
... is an empty string, false is a boolean, $a = 0; is an integer and null is from type null. What OP is telling is that PHP will thread them as "same" in value, but not as "same" in type. So a strict === check will also check for type and fail if you use different ones. That's the reason you should be...
How to float 3 divs side by side using CSS?
... just before closing the Container DIV, it helps clear all subsequent DIVs from overlapping with the DIVs i've created side-by-side at the top!
<div>
<div class="left"></div>
<div class="left"></div>
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<div class="left"></div>
<!-- then magic tric...
log4j configuration via JVM argument(s)?
... log4j2, you need to use
-Dlog4j.configurationFile={path to file}
Taken from answer https://stackoverflow.com/a/34001970/552525
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The server committed a protocol violation. Section=ResponseStatusLine ERROR
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Fixed by removing someContent from return Request.CreateResponse(HttpStatusCode.NoContent, someContent); +1
– snippetkid
Nov 23 '18 at 6:00
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What's the scope of a variable initialized in an if statement?
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you're executing this code from command line therefore if conditions is true and x is set. Compare:
>>> if False:
y = 42
>>> y
Traceback (most recent call last):
File "<pyshell#6>", line 1, in <module>
y
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