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Can't use method return value in write context
... functions.
However, the real problem you have is that you use empty() at all, mistakenly believing that "empty" value is any different from "false".
Empty is just an alias for !isset($thing) || !$thing. When the thing you're checking always exists (in PHP results of function calls always exist), ...
What is the significance of #pragma marks? Why do we need #pragma marks?
...oes their location in .m files matter? Should some #pragma come before all others?
7 Answers
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Disable autocomplete via CSS
... it possible to use CSS to disable autocomplete on a form element (specifically a textfield)?
12 Answers
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How to create a tag with Javascript?
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FYI, document.head is supported in all major browsers.
– Rob W
Feb 23 '12 at 18:12
30
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Extracting specific columns in numpy array
This is an easy question but say I have an MxN matrix. All I want to do is extract specific columns and store them in another numpy array but I get invalid syntax errors.
Here is the code:
...
A simple explanation of Naive Bayes Classification
... & part two being the confusion surrounding Training set.
In general all of Machine Learning Algorithms need to be trained for supervised learning tasks like classification, prediction etc. or for unsupervised learning tasks like clustering.
During the training step, the algorithms are taught...
python: How do I know what type of exception occurred?
I have a function called by the main program:
15 Answers
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Get list of JSON objects with Spring RestTemplate
...t/", method=RequestMethod.GET)
public @ResponseBody List<Object> findAllObjects() {
List<Object> objects = new ArrayList<Object>();
return objects;
}
ResponseEntity is an extension of HttpEntity that adds a HttpStatus status code. Used in RestTemplate as well @Controller...
How to copy a file to multiple directories using the gnu cp command
...args -n 1 cp file1
Will copy file1 to dir1, dir2, and dir3. xargs will call cp 3 times to do this, see the man page for xargs for details.
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Can I set a breakpoint on 'memory access' in GDB?
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What you're looking for is called a watchpoint.
Usage
(gdb) watch foo: watch the value of variable foo
(gdb) watch *(int*)0x12345678: watch the value pointed by an address, casted to whatever type you want
(gdb) watch a*b + c/d: watch an arbitrarily complex expression, valid in the progra...