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How to throw std::exceptions with variable messages?
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what's the difference between this and an std::stringstream? It appears to contain a stringstream, but has (as far as I can tell), no extra functionality.
– matts1
Sep 4 '16 at 1:43
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How to write into a file in PHP?
...s($filename, $content);
which is identical to calling fopen(), fwrite(), and fclose() successively to write data to a file.
Docs: file_put_contents
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What is the best way to test for an empty string with jquery-out-of-the-box?
...bed can be replaced by:
if (!a)
Because in javascript, an empty string, and null, both evaluate to false in a boolean context.
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do N times (declarative syntax)
...g
To complete this questions, here's a way to do call something() 1, 2 and 3 times respectively:
It's 2017, you may use ES6:
[1,2,3].forEach(i => Array(i).fill(i).forEach(_ => {
something()
}))
or in good old ES5:
[1,2,3].forEach(function(i) {
Array(i).fill(i).forEach(function() {...
Efficiently updating database using SQLAlchemy ORM
I'm starting a new application and looking at using an ORM -- in particular, SQLAlchemy.
6 Answers
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Remove portion of a string after a certain character
...n plain english: Give me the part of the string starting at the beginning and ending at the position where you first encounter the deliminator.
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java.lang.OutOfMemoryError: GC overhead limit exceeded [duplicate]
... am getting this error in a program that creates several (hundreds of thousands) HashMap objects with a few (15-20) text entries each. These Strings have all to be collected (without breaking up into smaller amounts) before being submitted to a database.
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How to compile python script to binary executable
...ood starting point. PyInstaller also lets you create executables for linux and mac...
Here is how one could fairly easily use PyInstaller to solve the issue at hand:
pyinstaller oldlogs.py
From the tool's documentation:
PyInstaller analyzes myscript.py and:
Writes myscript.spec in ...
How do I link to part of a page? (hash?)
...htags in the url like : example.com/#RouteName?page=1#ID. one for routing and one for navigation inside of current page. finally i used html5 mode of URL in order to removing route hashtags ;) @tomsmeding
– iraj jelodari
Nov 19 '16 at 15:20
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How can I “pretty print” a Duration in Java?
...Period can be created directly, without first creating a Duration instance and then converting it to Period. E.g. Period period = new Period(millis); String formatted = formatter.print(period);
– Basil Vandegriend
Aug 12 '13 at 23:15
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