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How can I generate an MD5 hash?
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From Java 11 on, you can use hashtext = "0".repeat(32 - hashtext.length()) + hashtext instead of the while, so the editors won't give you a warning that you're doing string concatenation inside a loop.
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Can a C++ enum class have methods?
...ass isn't a class.
Usually the need to have methods for an enum results from the reason that it's not a regular (just incrementing) enum, but kind of bitwise definition of values to be masked or need other bit-arithmetic operations:
enum class Flags : unsigned char {
Flag1 = 0x01 , // Bit #0...
include antiforgerytoken in ajax post ASP.NET MVC
...ighlight is all messed up. It ends up like this (removed the single-quotes from the returned result too, so that it behaves like any MVC helper, for instance @Url): '@Html.AntiForgeryTokenName' : '@Html.AntiForgeryTokenValue'
– Askolein
Mar 18 '14 at 9:05
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JavaScript blob filename without link
...er than a particular threshold. e.g-> 2 MB for chrome. This size varies from browser to browser.
– manojadams
Sep 2 '17 at 15:58
5
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How to switch to REPLACE mode in VIM
...ires some stretching. Is there any more convenient shortcut to go directly from NORMAL mode to REPLACE mode?
5 Answers
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What is the use of “assert” in Python?
...ch easier to track down and fix bugs in your programs.
Here’s a summary from a tutorial on Python’s assertions I wrote:
Python’s assert statement is a debugging aid, not a mechanism for handling run-time errors. The goal of using assertions is to let developers find the likely root cause ...
How do you commit code as a different user?
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Check out the --author option for git commit:
From the man page:
--author=<author>
Override the commit author. Specify an explicit author
using the standard A U Thor <author@example.com> format. Otherwise
<author> is assumed to be a pattern...
Shards and replicas in Elasticsearch
...age to understand it. If I download Elasticsearch and run the script, then from what I know I have started a cluster with a single node. Now this node (my PC) have 5 shards (?) and some replicas (?).
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How to use double or single brackets, parentheses, curly braces
...mp;1; date; } | tee logfile
# now we can calculate the duration of a build from the logfile
There is a subtle syntactic difference with ( ), though (see bash reference) ; essentially, a semicolon ; after the last command within braces is a must, and the braces {, } must be surrounded by spaces.
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Why this line xmlns:android=“http://schemas.android.com/apk/res/android” must be the first in the la
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From danielmiessler.com/study/url_vs_uri: "a URL is a type of URI. So if someone tells you that a URL is not a URI, he’s wrong. But that doesn’t mean all URIs are URLs. All butterflies fly, but not everything that flies i...