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DataTrigger where value is NOT null?
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I ran into a similar limitation with DataTriggers, and it would seem that you can only check for equality. The closest thing I've seen that might help you is a technique for doing other types of comparisons other than equality.
This blog post descr...
In MySQL queries, why use join instead of where?
It seems like to combine two or more tables, we can either use join or where. What are the advantages of one over the other?
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How do you detect Credit card type based on number?
I'm trying to figure out how to detect the type of credit card based purely on its number. Does anyone know of a definitive, reliable way to find this?
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What is CMake equivalent of 'configure --prefix=DIR && make all install '?
...th/to/install /path/to/src
$ cmake --build . --target install
You would either add --config Release to the third command or -DCMAKE_BUILD_TYPE=Release to the second command, depending on whether you were using a multi-config generator or a single-config generator, respectively.
The type (PATH) is...
Underscore: sortBy() based on multiple attributes
I am trying to sort an array with objects based on multiple attributes. I.e if the first attribute is the same between two objects a second attribute should be used to comapare the two objects. For example, consider the following array:
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How to change SmartGit's licensing option after 30 days of commercial use on ubuntu?
while installing smartgit 3.0.4 I checked the commercial licensing option, because I was just clicking "next" button : ) (30 day trial and then you have to buy it). Now today is my 31st day of using SG and I can't change my licensing options (reinstalling smartgit doesn't help) and I'm not able to u...
Inspecting standard container (std::map) contents with gdb
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Its also a bit frustrating that commands like "plist foo std::string" give syntax errors. It appears that the value_type can't contain any punctuation.
– Bklyn
Jan 9 '09 at 21:49
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How to save a dictionary to a file?
I have problem with changing a dict value and saving the dict to a text file (the format must be same), I only want to change the member_phone field.
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When should I use “this” in a class?
...s refers to a current object. But I do not know when I really need to use it. For example, will be there any difference if I use x instead of this.x in some of the methods? May be x will refer to a variable which is local for the considered method? I mean variable which is seen only in this m...
What is the difference between a pseudo-class and a pseudo-element in CSS?
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Official description
The pseudo-class concept is introduced to permit selection based on information that lies outside of the document tree or that cannot be expressed using the other simple selectors.
A pseudo-class always consists of a "colon" (:) followed by the name of the pseudo-cl...