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The cause of “bad magic number” error when loading a workspace and how to avoid it?
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113
I got that error when I accidentally used load() instead of source() or readRDS().
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Why is volatile needed in C?
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435
Volatile tells the compiler not to optimize anything that has to do with the volatile variable....
Decimal separator comma (',') with numberDecimal inputType in EditText
... an EditText with android:inputType="numberDecimal" and android:digits="0123456789.,".
Then add a TextChangedListener to the EditText with the following afterTextChanged:
public void afterTextChanged(Editable s) {
double doubleValue = 0;
if (s != null) {
try {
doubleVa...
How would you make a comma-separated string from a list of strings?
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1023
my_list = ['a', 'b', 'c', 'd']
my_string = ','.join(my_list)
'a,b,c,d'
This won't work if th...
Why shouldn't all functions be async by default?
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edited Aug 28 '13 at 23:27
answered Aug 28 '13 at 23:19
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How can I check whether a option already exist in select by JQuery
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341
This evaluates to true if it already exists:
$("#yourSelect option[value='yourValue']").lengt...
Split an NSString to access one particular piece
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376
NSArray* foo = [@"10/04/2011" componentsSeparatedByString: @"/"];
NSString* firstBit = [foo ob...
How can I implode an array while skipping empty array items?
...x Kling
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How do I create test and train samples from one dataframe with pandas?
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