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Splitting a string into chunks of a certain size
Suppose I had a string:
36 Answers
36
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How to create a directory if it doesn't exist using Node.js?
...ends fs to have this functionality such as github.com/jprichardson/node-fs-extra
– Bret
Jul 28 '14 at 1:00
1
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File Upload without Form
...es of file_field to form_data
form_data.append("user_id", 123) // Adding extra parameters to form_data
$.ajax({
url: "/upload_avatar", // Upload Script
dataType: 'script',
cache: false,
contentType: false,
processData: false,
data: form_data, // Setting the data attribute...
Dynamically adding a form to a Django formset with Ajax
...ond to the situation after clicking the "add" button (change the number of extra fields).
Load the page, view the source and take a note of how the <input> fields changed.
Create some JavaScript which modifies the DOM in a suitable way to move it from the before state to the after state.
Attac...
Simulating group_concat MySQL function in Microsoft SQL Server 2005?
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SQL Server 2017 does introduce a new aggregate function
STRING_AGG ( expression, separator).
Concatenates the values of string expressions and places separator
values between them. The separator is not added at the end of string.
The concatenated elements can be ordered by...
Python Empty Generator Function
...ike this solution because it's (relatively) concise, and it doesn't do any extra work like comparing to False.
– Pi Marillion
Jan 24 '16 at 2:27
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Favorite (Clever) Defensive Programming Best Practices [closed]
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When printing out error messages with a string (particularly one which depends on user input), I always use single quotes ''. For example:
FILE *fp = fopen(filename, "r");
if(fp == NULL) {
fprintf(stderr, "ERROR: Could not open file %s\n", filename);
retu...
C# using streams
...read from stream, for example StreamReader can be used to read from Stream string not byte[]. if you will give FileStream as a parameter it will read from File, if NetworkStream from socket.
– Arsen Mkrtchyan
Sep 10 '09 at 17:55
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Calling a class function inside of __init__
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Oops, sorry there should have been an extra layer of indenting under the "class MyClass():" line. I've fixed it above, but the question remains the same.
– PythonJin
Sep 28 '12 at 19:55
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Check if a path represents a file or a folder
I need a valid method to check if a String represents a path for file or a directory. What are valid directory names in Android? As it comes out, folder names can contain '.' chars, so how does system understand whether there's a file or a folder?
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