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Why does InetAddress.isReachable return false, when I can ping the IP address?
...tly since the other answers don't. The ping part of isReachable() requires root access on Unix. And as pointed out by bestsss in 4779367:
And if you ask why ping from bash doesn't, actually it does need as well. Do that ls -l /bin/ping.
Since using root was not an option in my case the soluti...
Static files in Flask - robot.txt, sitemap.xml (mod_wsgi)
Is there any clever solution to store static files in Flask's application root directory.
robots.txt and sitemap.xml are expected to be found in /, so my idea was to create routes for them:
...
usr/bin/ld: cannot find -l
...ose mode.
For example, I encountered this issue while trying to compile MySQL with ZLIB support. I was receiving an error like this during compilation:
/usr/bin/ld: cannot find -lzlib
I did some Googl'ing and kept coming across different issues of the same kind where people would say to make ...
Preview layout with merge root tag in Intellij IDEA/Android Studio
...
I set some attributes to the root view (in this case RelativeLayout) programmatically, like padding. Of course they're not applied in this helper layout (because you use a completely other view). The only solution was to use the whole custom view in the ...
Maven parent pom vs modules pom
...oint of view and you'll end up with something like this at the VCS level:
root
|-- parent-pom
| |-- branches
| |-- tags
| `-- trunk
| `-- pom.xml
`-- projectA
|-- branches
|-- tags
`-- trunk
|-- module1
| `-- pom.xml
|-- moduleN
| `-- pom....
How to get CRON to call in the correct PATHs
.... I used vi and entered in the PATHs I needed into this file and ran it as root. The normal crontab overwrites PATHs that you have set up. A good tutorial on how to do this.
The systemwide cron file looks like this:
This has the username field, as used by /etc/crontab.
# /etc/crontab: system-wide ...
Difference between binary tree and binary search tree
... entire subtree? you mean the all values of subtree should be less than to root on the left side? and all the values should be greater than root value on the right side?
– Asif Mushtaq
Apr 3 '18 at 12:41
...
How to install the Raspberry Pi cross compiler on my Linux host machine?
...crosstool-ng/builds/arm-l
inux-gnueabihf-raspbian-linux/install --with-sysroot=/cbuild/slaves/oort61/crosstool-ng/builds/
arm-linux-gnueabihf-raspbian-linux/install/arm-linux-gnueabihf/libc --enable-languages=c,c++,fo
rtran --disable-multilib --with-arch=armv6 --with-tune=arm1176jz-s --with-fpu=v...
What is a sensible way to layout a Go project [closed]
...pace.
A workspace is a directory hierarchy with three directories at its root:
src contains Go source files organized into packages (one package per directory),
pkg contains package objects, and
bin contains executable commands.
The go tool builds source packages and installs the resulting...
Opening the Settings app from another app
... rejected with the following message from Apple: Your app uses the "prefs:root=" non-public URL scheme, which is a private entity. The use of non-public APIs is not permitted on the App Store because it can lead to a poor user experience should these APIs change. Continuing to use or conceal non-p...