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Removing whitespace from strings in Java
I have a string like this:
35 Answers
35
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What is the difference between null and undefined in JavaScript?
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The comment from Nir O. is very important. If I want to have a variable that has no value in the beginning, I write "... = null", eg "myvar = null". This way - when I mistype "if (myxar == null) {...}" - the if block is not execu...
CSS: Change image src on img:hover
...e image that is set as the background as like
div {
background: url('http://dummyimage.com/100x100/000/fff');
}
div:hover {
background: url('http://dummyimage.com/100x100/eb00eb/fff');
}
And if you think you can use some javascript code then you should be able to change the src of the im...
What does this symbol mean in JavaScript?
This is a collection of questions that come up every now and then about syntax in JavaScript. This is also a Community Wiki, so everyone is invited to participate in maintaining this list.
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Does reading an entire file leave the file handle open?
... In your code, that object is mentioned only once, in an expression, and becomes inaccessible immediately after the read() call returns.
This means that the file object is garbage. The only remaining question is "When will the garbage collector collect the file object?".
in CPython, which uses a ...
Python unittest - opposite of assertRaises?
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@mac - Is this also a correct solution ? stackoverflow.com/a/4711722/6648326
– MasterJoe
Oct 5 '16 at 22:43
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Where is body in a nodejs http.get response?
I'm reading the docs at http://nodejs.org/docs/v0.4.0/api/http.html#http.request , but for some reason, I can't seem to to actually find the body/data attribute on the returned, finished response object.
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How can I troubleshoot my Perl CGI script?
...lhost) - afterwards, I can go to a web browser, and request this address:
http://127.0.0.1:8080/test.pl
... and I should observe the prints made by test.pl being loaded - and shown - in the web browser.
Now, to debug this script with RemotePort, first we need a listener on the network, through...
Difference between git checkout --track origin/branch and git checkout -b branch origin/branch
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Label encoding across multiple columns in scikit-learn
...ler())
column_trans.fit_transform(df)
More options in the documentation: http://scikit-learn.org/stable/modules/compose.html#columntransformer-for-heterogeneous-data
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