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When should we use intern method of String on String literals
According to String#intern() , intern method is supposed to return the String from the String pool if the String is found in String pool, otherwise a new string object will be added in String pool and the reference of this String is returned.
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dropping infinite values from dataframes in pandas?
... I guess!? Probably you try to process a column the unsupported types like strings
– Markus Dutschke
22 hours ago
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How can I select from list of values in SQL Server
...ou can also do something like this:
SELECT DISTINCT * FROM (select unnest(string_to_array('a;b;c;d;e;f;a;b;d', ';'))) AS tbl(col1)
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How to make an HTML back link?
...containerobj.filters ? "ie" : typeof textcontainerobj.style.MozOpacity == "string" ? "mozilla" : ""
instantset(baseopacity)
document.getElementById("tabledescription").innerHTML = thetext.href
highlighting = setInterval("gradualfade(textcontainerobj)", 50)
}
<a href="http://www.javasc...
HTML input file selection event not firing upon selecting the same file
... completion of your file processing set the value of file control to blank string.so the .change() will always be called even the file name changes or not. like for example you can do this thing and worked for me like charm
$('#myFile').change(function () {
LoadFile("myFile");//function t...
Handler vs AsyncTask vs Thread [closed]
... public void handleMessage(Message msg) {
//txtView.setText((String) msg.obj);
Toast.makeText(MainActivity.this,
"Foreground task is completed:"+(String)msg.obj,
Toast.LENGTH_LONG)
.show();
}
};
in yo...
Replace part of a string with another string
Is it possible in C++ to replace part of a string with another string?
15 Answers
15
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Convert a list to a data frame
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Update July 2020:
The default for the parameter stringsAsFactors is now default.stringsAsFactors() which in turn yields FALSE as its default.
Assuming your list of lists is called l:
df <- data.frame(matrix(unlist(l), nrow=length(l), byrow=T))
The above will convert a...
Strings are objects in Java, so why don't we use 'new' to create them?
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In addition to what was already said, String literals [ie, Strings like "abcd" but not like new String("abcd")] in Java are interned - this means that every time you refer to "abcd", you get a reference to a single String instance, rather than a new one each time...
Is there a way to auto expand objects in Chrome Dev Tools?
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While the solution mentioning JSON.stringify is pretty great for most of the cases, it has a few limitations
It can not handle items with circular references where as console.log can take care of such objects elegantly.
Also, if you have a large tree, then a...