How to fix “Headers already sent” error in PHP
No output before sending headers! Functions that send/modify HTTP headers must be invoked before any output is made. summary ⇊ Otherwise the call fails: Warning: Cannot modify header information – headers already sent (output started at script:line) Some functions modifying the HTTP header are: header / header_remove session_start / session_regenerate_id setcookie / setrawcookie Output can … Read more
Sort array of objects by string property value
It’s easy enough to write your own comparison function: Or inline (c/o Marco Demaio):
ActiveX component can’t create object
It turns out to get this application working under VBScript, I had to do two things. Run RegAsm.exe to register the DLLs. Run the C:\Windows\SysWOW64\cscript.exe to run my VBScript. If these don’t work, check out the other answer here about enabling 32-bit applications in IIS.
How do I use a regex in a shell script?
I think this is what you want: I’ve used the -P switch to get perl regex.
TypeError: cannot unpack non-iterable NoneType object
I think your X_train, y_train, X_test, y_test are defined inside your load_mnist_imagesfunction, and are thus not defined for your load_dataset function. You should de-indent your 5 lines from X_train = … to return X_train, … and your code might work better then.
What is the pythonic way to calculate dot product?
http://docs.scipy.org/doc/numpy/reference/ If you want to do it without numpy, try
Pure JavaScript equivalent of jQuery’s $.ready() – how to call a function when the page/DOM is ready for it [duplicate]
The simplest thing to do in the absence of a framework that does all the cross-browser compatibility for you is to just put a call to your code at the end of the body. This is faster to execute than an onload handler because this waits only for the DOM to be ready, not for all images … Read more
Why is enum class preferred over plain enum?
C++ has two kinds of enum: enum classes Plain enums Here are a couple of examples on how to declare them: What is the difference between the two? enum classes – enumerator names are local to the enum and their values do not implicitly convert to other types (like another enum or int) Plain enums … Read more
How can I sort a dictionary by key?
Standard Python dictionaries are unordered (until Python 3.7). Even if you sorted the (key,value) pairs, you wouldn’t be able to store them in a dict in a way that would preserve the ordering. The easiest way is to use OrderedDict, which remembers the order in which the elements have been inserted: Never mind the way od is printed out; it’ll … Read more