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“Java DateFormat is not threadsafe” what does this leads to?
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Let's try it out.
Here is a program in which multiple threads use a shared SimpleDateFormat.
Program:
public static void main(String[] args) throws Exception {
final DateFormat format = new SimpleDateFormat("yyyyMMdd");
Callable<Date...
What is the purpose of Order By 1 in SQL select statement?
...ced that there are several views with an order by 1 clause. What does this accomplish?
8 Answers
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What file uses .md extension and how should I edit them?
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Markdown is a plain-text file format. The extensions .md and .markdown are just text files written in Markdown syntax. If you have a Readme.md in your repo, GitHub will show the contents on the home page of your repo. Read the documen...
How do I check if a string contains another string in Swift?
In Objective-C the code to check for a substring in an NSString is:
27 Answers
27...
can't push to branch after rebase
...u and those you're working with need to agree whether a topic/devel branch is for shared development or just your own. Other developers know not to merge on my development branches because they'll be rebased at any time. Usually the workflow is as follows:
o-----o-----o-----o-----o-----o mast...
Reading binary file and looping over each byte
...o stuff with byte.
byte = f.read(1)
Note that the with statement is not available in versions of Python below 2.5. To use it in v 2.5 you'll need to import it:
from __future__ import with_statement
In 2.6 this is not needed.
Python 3
In Python 3, it's a bit different. We will no longe...
mkdir -p functionality in Python [duplicate]
Is there a way to get functionality similar to mkdir -p on the shell from within Python. I am looking for a solution other than a system call. I am sure the code is less than 20 lines, and I am wondering if someone has already written it?
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Difference between “process.stdout.write” and “console.log” in node.js?
What is the difference between "process.stdout.write" and "console.log" in node.js?
8 Answers
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Why does 'continue' behave like 'break' in a Foreach-Object?
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Simply use the return instead of the continue. This return returns from the script block which is invoked by ForEach-Object on a particular iteration, thus, it simulates the continue in a loop.
1..100 | ForEach-Object {
if ($_ % 7 -ne 0 ) { return }
Write-Host "$($...
System.Data.SQLite Close() not releasing database file
...oblem closing my database before an attempt to delete the file. The code is just
17 Answers
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