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How do I dump an object's fields to the console?
...l, but it can be really useful when debugging. Ruby will fall back to to_s if it can't find an inspect` method.
– the Tin Man
Nov 27 '10 at 21:45
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Migration: Cannot add foreign key constraint
...reign key column also needs to be unsigned.
– Brad Griffith
Jun 21 '14 at 16:58
7
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How to write logs in text file when using java.util.logging.Logger
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Thanks, this helped me out, but Log4j 2 is coming out now and I had to fish around the site to find the 1.2 version.
– SoluableNonagon
Nov 4 '13 at 17:29
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代码块超过1.2w编译apk报错问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...ng.api.ApiProxy$RequestTooLargeException: The request to API call datastore_v3.Put() was too large.
at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java:416)
at com.google.gwt.user.server.rpc.RPC.invokeAnd...
Read Excel File in Python
...rint
You don't have to use a custom class, you can simply take a dict(). If you use a class however, you can access all values via dot-notation, as you see above.
Here is the output of the script above:
Arm object:
Arm_id = 1
DSPName = JaVAS
DSPCode = 1
HubCode = AGR
PinCode = 282001
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jQuery Validate - Enable validation for hidden fields
...ge should make the setup of forms with hidden elements
easier, these are now ignored by default (option “ignore” has
“:hidden” now as default). In theory, this could break an existing
setup. In the unlikely case that it actually does, you can fix it by
setting the ignore-option to ...
Understanding slice notation
...lue represents the first value that is not in the selected slice. So, the difference between stop and start is the number of elements selected (if step is 1, the default).
The other feature is that start or stop may be a negative number, which means it counts from the end of the array instead of th...
Extract file name from path, no matter what the os/path format
....path.split or os.path.basename as others suggest won't work in all cases: if you're running the script on Linux and attempt to process a classic windows-style path, it will fail.
Windows paths can use either backslash or forward slash as path separator. Therefore, the ntpath module (which is equiv...
How to solve PHP error 'Notice: Array to string conversion in…'
... through it and echo each element, or you can use print_r.
Alternatively, if you don't know if it's an array or a string or whatever, you can use var_dump($var) which will tell you what type it is and what it's content is. Use that for debugging purposes only.
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How do I change the string representation of a Python class? [duplicate]
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The closest equivalent to Java's toString is to implement __str__ for your class. Put this in your class definition:
def __str__(self):
return "foo"
You may also want to implement __repr__ to aid in debugging.
See here for more information:
Special Method Names - Basic Cu...