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What is the difference between .map, .every, and .forEach?
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The difference is in the return values.
.map() returns a new Array of objects created by taking some action on the original item.
.every() returns a boolean - true if every element in this array satisfies the provided testing function. ...
How to set a Timer in Java?
...r 2 minutes, to try to connect to a Database then throw exception if there is any issue in connection?
5 Answers
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How do I “decompile” Java class files? [closed]
...ram can I use to decompile a class file? Will I actually get Java code, or is it just JVM assembly code?
19 Answers
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Windows service on Local Computer started and then stopped error
Usually, I get this error:
(The "service name" service on Local Computer started and then stopped. Some services stop automatically if they are not in use by other service or programs) when there's something wrong with my code, like non-existing drive paths, etc. The windows service will not start.
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Run all SQL files in a directory
...name /d databaseName -U username -P
password -i"%%G"
Note that the "-E" is not needed when user/password is provided
Place this .BAT file in the directory from which you want the .SQL files to be executed, double click the .BAT file and you are done!
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Take a char input from the Scanner
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edited Apr 15 '14 at 20:58
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np.mean() vs np.average() in Python NumPy?
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np.average takes an optional weight parameter. If it is not supplied they are equivalent. Take a look at the source code: Mean, Average
np.mean:
try:
mean = a.mean
except AttributeError:
return _wrapit(a, 'mean', axis, dtype, out)
return mean(axis, dtype, out)
np.a...
Clear icon inside input text
Is there a quick way to create an input text element with an icon on the right to clear the input element itself (like the google search box)?
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How can I write a regex which matches non greedy? [duplicate]
...all option in the regex engines (regexpal, the engine you used, also has this option) you are testing with. This is because, regex engines generally don't match line breaks when you use .. You need to tell them explicitly that you want to match line-breaks too with .
For example,
<img\s.*?>
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Git - push current branch shortcut
Is there a shortcut to tell Git to push the current tracking branch to origin?
Note: I know that I can change the default push behavior , but I am looking for an ad-hoc solution that does not change the default behavior.
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