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Add a prefix to all Flask routes
...lf.app = app
self.prefix = prefix
def __call__(self, environ, start_response):
if environ['PATH_INFO'].startswith(self.prefix):
environ['PATH_INFO'] = environ['PATH_INFO'][len(self.prefix):]
environ['SCRIPT_NAME'] = self.prefix
return self.ap...
Why do we use Base64?
...They are used for different purposes.
When you encode text in ASCII, you start with a text string and convert it to a sequence of bytes.
When you encode data in Base64, you start with a sequence of bytes and convert it to a text string.
To understand why Base64 was necessary in the first place ...
Setting Windows PowerShell environment variables
...t's probably
a lot better to use your profile to initiate the
settings. On startup, PowerShell will run any .ps1
files it finds in the WindowsPowerShell directory under
My Documents folder. Typically you have a profile.ps1
file already there. The path on my computer is
C:\Users\JaredPar\Documents\W...
Execute combine multiple Linux commands in one line
...ground and thus the second job can't know the result, since both jobs will start at the same time. So you might as well just write: { tail -f my.log & }; ./myscript
– Nikos C.
Jun 4 '15 at 9:08
...
What's the difference between an exclusive lock and a shared lock?
... locked, shared locks cannot be obtained.
Other teachers won't come up and start writing either, or the board becomes unreadable, and confuses students => If an object is exclusively locked, other exclusive locks cannot be obtained.
When the students are reading (shared locks) what is on the bo...
Why would someone use WHERE 1=1 AND in a SQL clause?
...<condition>
and concatenate them all together. With the 1=1 at the start, the initial and has something to associate with.
I've never seen this used for any kind of injection protection, as you say it doesn't seem like it would help much. I have seen it used as an implementation convenience...
JavaScript unit test tools for TDD
... use any assertion-library you want with either.
Screencast: Karma Getting started
related:
Should I be using Protractor or Karma for my end-to-end testing?
Can Protractor and Karma be used together?
pros:
Uses node.js, so compatible with Win/OS X/Linux
Run tests from a browser or headless with P...
Long Press in JavaScript?
... if (longpress) {
return false;
}
alert("press");
};
var start = function(e) {
console.log(e);
if (e.type === "click" && e.button !== 0) {
return;
}
longpress = false;
this.classList.add("longpress");
if (presstimer === null) {
pr...
How do you maintain development code and production code? [closed]
...ugs in a separate branch)
the other patch branches will have the luxury to start from a well-defined production label
When it comes to dev branch, you can have one trunk, unless you have other development efforts you need to make in parallel like:
massive refactoring
testing of a new technical l...
How to call an external command?
...
Some hints on detaching the child process from the calling one (starting the child process in background).
Suppose you want to start a long task from a CGI script. That is, the child process should live longer than the CGI script execution process.
The classical example from the subproc...