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Linux c++ error: undefined reference to 'dlopen'
I work in Linux with C++ (Eclipse), and want to use a library.
Eclipse shows me an error:
10 Answers
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Change type of varchar field to integer: “cannot be cast automatically to type integer”
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There is no implicit (automatic) cast from text or varchar to integer (i.e. you cannot pass a varchar to a function expecting integer or assign a varchar field to an integer one), so you must specify an explicit cast using ALTER TABLE ... ALTER COLUMN ... TYPE ... USING...
How can I find the current OS in Python? [duplicate]
...form (docs) to get the platform. sys.platform will distinguish between linux, other unixes, and OS X, while os.name is "posix" for all of them.
For much more detailed information, use the platform module. This has cross-platform functions that will give you information on the machine architecture, ...
Can pandas automatically recognize dates?
...ively surprised by the fact that while reading data from a data file (for example) pandas is able to recognize types of values:
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Does JavaScript have a built in stringbuilder class?
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If you have to write code for Internet Explorer make sure you chose an implementation, which uses array joins. Concatenating strings with the + or += operator are extremely slow on IE. This is especially true for IE6. On modern browsers += is usually just as fast ...
How do I create a nice-looking DMG for Mac OS X using command-line tools?
... may have to reboot after this change (it doesn't work otherwise on Mac OS X Server 10.4).
Create a R/W DMG. It must be larger than the result will be. In this example, the bash variable "size" contains the size in Kb and the contents of the folder in the "source" bash variable will be copied into t...
In Node.js, how do I “include” functions from my other files?
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You can require any js file, you just need to declare what you want to expose.
// tools.js
// ========
module.exports = {
foo: function () {
// whatever
},
bar: function () {
// whatever
}
};
var zemba = function () {
}
And in your app file:
// app.js
// ======
var tools = re...
What does Java option -Xmx stand for? [duplicate]
java -Xmx1024m filename
5 Answers
5
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Multiple aggregations of the same column using pandas GroupBy.agg()
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@Ben I think you must use a rename afterwards. example by Tom Augspurger (see cell 25)
– Stewbaca
Jan 14 '16 at 17:22
1
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Can you help me understand Moq Callback?
...ng Moq and looked at Callback but I have not been able to find a simple example to understand how to use it.
5 Answers
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