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How do you append to an already existing string?
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215
In classic sh, you have to do something like:
s=test1
s="${s}test2"
(there are lots of varia...
How to remove element from array in forEach loop?
...tion(item, index, object) {
if (item === 'a') {
object.splice(index, 1);
}
});
log(review);
<pre id="out"></pre>
Which works fine for simple case where you do not have 2 of the same values as adjacent array items, other wise you have this problem.
var pre = document.g...
What is the significance of ProjectTypeGuids tag in the visual studio project file
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139
{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC} is the GUID for C# project
{60dc8134-eba5-43b8-bcc9-bb...
What is ?= in Makefile
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130
?= indicates to set the KDIR variable only if it's not set/doesn't have a value.
For example:...
NSDictionary - Need to check whether dictionary contains key-value pair or not
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194
Just ask it for the objectForKey:@"b". If it returns nil, no object is set at that key.
if (...
How to get JSON objects value if its name contains dots?
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216
What you want is:
var smth = mydata.list[0]["points.bean.pointsBase"][0].time;
In JavaScript...
ConnectionTimeout versus SocketTimeout
...ctions where data is received all the time.
By setting socket timeout to 1 this would require that every millisecond new data is received (assuming that you read the data block wise and the block is large enough)!
If only the incoming stream stalls for more than a millisecond you are running int...
Which is the first integer that an IEEE 754 float is incapable of representing exactly?
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215
2mantissa bits + 1 + 1
The +1 in the exponent (mantissa bits + 1) is because, if the mantissa ...
How do I combine two data frames?
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153
I believe you can use the append method
bigdata = data1.append(data2, ignore_index=True)
to...
How to count certain elements in array?
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