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Ensuring json keys are lowercase in .NET
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edited Jan 12 '13 at 13:30
rgripper
9581313 silver badges2222 bronze badges
answered Jun 9 '11 at 6:08
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How to add an empty column to a dataframe?
...t; df = pd.DataFrame({"A": [1,2,3], "B": [2,3,4]})
>>> df
A B
0 1 2
1 2 3
2 3 4
>>> df["C"] = ""
>>> df["D"] = np.nan
>>> df
A B C D
0 1 2 NaN
1 2 3 NaN
2 3 4 NaN
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Convert int to char in java
...ascii value 49 (one corresponding to '1')
If you want to convert a digit (0-9), you can add 48 to it and cast, or something like Character.forDigit(a, 10);.
If you want to convert an int as in ascii value, you can use Character.toChars(48) for example.
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Is there a function to deselect all text using JavaScript?
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edited Feb 23 '18 at 0:10
John
8,88188 gold badges7575 silver badges131131 bronze badges
answered J...
open-ended function arguments with TypeScript
...ritten as,
function sum(...numbers: number[]) {
var aggregateNumber = 0;
for (var i = 0; i < numbers.length; i++)
aggregateNumber += numbers[i];
return aggregateNumber;
}
This will then type check correctly with
console.log(sum(1, 5, 10, 15, 20));
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How do I get cURL to not show the progress bar?
...p://google.com > temp.html
works for curl version 7.19.5 on Ubuntu 9.10 (no progress bar). But if for some reason that does not work on your platform, you could always redirect stderr to /dev/null:
curl http://google.com 2>/dev/null > temp.html
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SyntaxError: Use of const in strict mode
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10 Answers
10
Active
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Does const mean thread-safe in C++11?
...ue...
This is what the Standard Language has to say on thread-safety:
[1.10/4]
Two expression evaluations conflict if one of them modifies a memory location (1.7) and the other one accesses or modifies the same memory location.
[1.10/21]
The execution of a program contains a data race if it contain...
What is the difference between trie and radix trie data structures?
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edited Nov 15 '15 at 10:29
Peter Mortensen
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Convert number to month name in PHP
...e() to create one, like so:
$monthNum = 3;
$monthName = date('F', mktime(0, 0, 0, $monthNum, 10)); // March
If you want the 3-letter month name like Mar, change F to M. The list of all available formatting options can be found in the PHP manual documentation.
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