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Does Typescript support the ?. operator? (And, what's it called?)
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It's announced for TypeScript 3.7.0 (github.com/microsoft/TypeScript/issues/…)
– c_froehlich
Oct 20 '19 at 9:05
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npm ERR cb() never called
...npm versions are:
$ node -v
v0.10.0
$ npm -v
1.2.14
https://docs.npmjs.com/cli/cache
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Android - Pulling SQlite database android device
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A common way to achieve what you desire is to use the ADB pull command.
Another way I prefer in most cases is to copy the database by code to SD card:
try {
File sd = Environment.getExternalStorageDirectory();
if (sd...
is there an virtual environment for node.js?
...kages is your main issue, then maybe consider using the very cool 'bundle' command with npm. This is closer to freezing gems or using bundler in rails, rather than rvm.
It's super easy. Just create a package.json file:
{ "name": "yourapp", "version": "0.0.1", "dependencies": {"jade": "0.4.1"}}
a...
Is there a standardized method to swap two variables in Python?
...gnment, the right-hand side is evaluated before the
left-hand side.
http://docs.python.org/3/reference/expressions.html#evaluation-order
That means the following for the expression a,b = b,a :
the right-hand side b,a is evaluated, that is to say a tuple of two elements is created in th...
What do I need to do to get Internet Explorer 8 to accept a self signed certificate?
...site's security certificate.”, choose “Continue to this website (not recommended).”
Select Tools➞Internet Options.
Select Security➞Trusted sites➞Sites.
Confirm the URL matches, and click “Add” then “Close”.
Close the “Internet Options” dialog box with either “OK” or “Ca...
How do I rename a Git repository?
...y, as used by git clone master child, so we can simply rename it:
Open a command prompt (or file manager window).
Change to the directory that contains the repository directory (i.e., do not go into the repository directory itself).
Rename the directory (for example, using mv from the command lin...
How to get current time in milliseconds in PHP?
...size of an integer in PHP can be 32 or 64 bits depending on platform.
From http://php.net/manual/en/language.types.integer.php
The size of an integer is platform-dependent, although a maximum value of about two billion is the usual value (that's 32 bits signed). 64-bit platforms usually have a maxi...
How do I restart nginx only after the configuration test was successful on Ubuntu?
... graceful shutdown of old worker processes
Check the documentation here: http://nginx.org/en/docs/control.html
You can send the HUP signal to nginx master process PID like this:
kill -HUP $( cat /var/run/nginx.pid )
The command above reads the nginx PID from /var/run/nginx.pid. By default ngin...
Thread context switch Vs. process context switch
...s which they actually use.
P.S.: Good post about context switch overhead: http://blog.tsunanet.net/2010/11/how-long-does-it-take-to-make-context.html
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