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Using Chrome, how to find to which events are bound to an element
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140
Using Chrome 15.0.865.0 dev. There's an "Event Listeners" section on the Elements panel:
And ...
Import multiple csv files into pandas and concatenate into one DataFrame
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505
If you have same columns in all your csv files then you can try the code below.
I have added he...
How to use OR condition in a JavaScript IF statement?
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answered Mar 2 '10 at 14:39
Luca RocchiLuca Rocchi
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java : convert float to String and String to float
...oat class.
float f = Float.parseFloat("25");
String s = Float.toString(25.0f);
To compare it's always better to convert the string to float and compare as two floats. This is because for one float number there are multiple string representations, which are different when compared as strings (e.g....
How to compare two dates in php
How to compare two dates in php if dates are in format '03_01_12' and '31_12_11' .
15 Answers
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How to print a groupby object
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101
Simply do:
grouped_df = df.groupby('A')
for key, item in grouped_df:
print(grouped_df.get...
Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
...ass Dot {
static { Loader.load(); }
static float[] a = new float[50], b = new float[50];
static float dot() {
float sum = 0;
for (int i = 0; i < 50; i++) {
sum += a[i]*b[i];
}
return sum;
}
static native @MemberGetter FloatPointer a...
What is the scope of variables in JavaScript?
...isible outside of the loop because var has function scope:
for(var x = 0; x < 5; ++x) {}
console.log(x) // 5 (note this is outside the loop!)
...because of this behavior, you need to be careful about closing over variables declared using var in loops. There is only one instance of varia...
How do I make UITableViewCell's ImageView a fixed size even when the image is smaller
... of images I am using for cell's image views, they are all no bigger than 50x50. e.g. 40x50, 50x32, 20x37 .....
16 Answe...
How to hide soft keyboard on android after clicking outside EditText?
...eSoftInputFromWindow(
activity.getCurrentFocus().getWindowToken(), 0);
}
You can put this up in a utility class, or if you are defining it within an activity, avoid the activity parameter, or call hideSoftKeyboard(this).
The trickiest part is when to call it. You can write a method that i...