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How to declare global variables in Android?
I am creating an application which requires login. I created the main and the login activity.
17 Answers
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How do I use the includes method in lodash to check if an object is in the collection?
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The includes (formerly called contains and include) method compares objects by reference (or more precisely, with ===). Because the two object literals of {"b": 2} in your example represent different instances, they are not equal. Notice:
({"b": 2} === {"b": 2})
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Remote debugging Tomcat with Eclipse
... it. Eclipse doesn't actually say anything when it successfully connects, and reconnecting a second time forces the error. So it was working, but I just didn't notice.
– victor
Oct 1 '10 at 17:18
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How to make a valid Windows filename from an arbitrary string?
...gBuilder instead of a simple string; the original version will take longer and consume more memory.
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How do I recover/resynchronise after someone pushes a rebase or a reset to a published branch?
...he bookmark of course, if you look up the pre-rebase origin/foo commit ID, and use that.
This is also how you deal with the situation where you forgot to make a bookmark before fetching. Nothing is lost – you just need to check the reflog for the remote branch:
git reflog show origin/foo | awk '...
Piping command output to tee but also save exit code of command [duplicate]
I have a shell script in which I wrap a command (mvn clean install), to redirect the output to a logfile.
4 Answers
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What can be the reasons of connection refused errors?
... its backlog of pending connections is full.
A firewall between the client and server is blocking access (also check local firewalls).
After checking for firewalls and that the port is open, use telnet to connect to the ip/port to test connectivity. This removes any potential issues from your appl...
What is the best way to ensure only one instance of a Bash script is running? [duplicate]
... a lockfile approach. If you acquire the lock, proceed else show a message and exit.
As an example:
[Terminal #1] $ lockfile -r 0 /tmp/the.lock
[Terminal #1] $
[Terminal #2] $ lockfile -r 0 /tmp/the.lock
[Terminal #2] lockfile: Sorry, giving up on "/tmp/the.lock"
[Terminal #1] $ rm -f /tmp/the....
Chrome, Javascript, window.open in new tab
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I just want to add that by testing in Chrome and FF I found out that using window.open in what you define as a “user initiated event” keeps the browser default action. By that I mean that if in Chrome you hold shift on chrome and click a new browser window will appe...
Permission denied on accessing host directory in Docker
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See this Project Atomic blog post about Volumes and SELinux for the full story.
Specifically:
This got easier recently since Docker finally merged a patch which
will be showing up in docker-1.7 (We have been carrying the patch in
docker-1.6 on RHEL, CentOS, and Fe...