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How many database indexes is too many?
...
I made some simple tests on my real project and real MySql database. I already answered in this topic: What is the cost of indexing multiple db columns?
But I think it will be better if I quote it here:
I made some simple tests using my real
project and real MySql databa...
How to set the Default Page in ASP.NET?
...
Make sure Default.aspx does not exists
physically at your application root.
If it exists physically the
HttpHandler will not be given any
chance to execute. Physical file
overrides HttpHandler mapping.
Moreover you can re-use this for pages other than default.aspx.
<add verb="GET"...
Python Process Pool non-daemonic?
...onError: daemonic processes are not allowed to have children
The root cause is that importing this file from different modules causes this file to be reevalutated each time,
thus ProcessPool() gets reexecuted inside that child thread, thus causing the daemonic processes bug
""...
Where do the Python unit tests go?
...tion for my problem, with Python2.6 or newer, us to run the tests from the root of your project using: python -m project.package.tests.module_tests (instead of python project/package/tests/module_tests.py). This puts the test module's directory on the path, so the tests can then do a relative impor...
How do I get the computer name in .NET
...entObjectSearcher searcher =
new ManagementObjectSearcher("root\\CIMV2",
"SELECT Name FROM Win32_ComputerSystem");
foreach (ManagementObject queryObj in searcher.Get())
{
Console.WriteLine("-----------------------------------")...
git clone through ssh
...bly specific commands. Instead of saying <your folder>, I will say /root/git. The only place where I am changing the original command is replacing my specific server name with example.com. I will explain the folders purpose is so you can adjust it accordingly. Please let me know of any con...
How to store date/time and timestamps in UTC time zone with JPA and Hibernate
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@VladMihalcea if it's for Mysql, one need to tell MySql to use timezone by using useTimezone=true in the connection string. Then only setting property hibernate.jdbc.time_zone will work
– TheCoder
Oct 13 '18 at 1...
scp or sftp copy multiple files with single command
.... Not sure where this should work. ``` (venv) ➜ git:(master) ✗ scp root@172.29..xxx.yyy:"/usr/local/bin/kubectl /root/.kube/config" /tmp/ root@172.29..xxx.yyy's password: protocol error: filename does not match request ```
...
Sign APK without putting keystore info in build.gradle
...pretty simple.
Create a keystore.properties file (in this example, in the root directory of your project next to settings.gradle, though you can put it wherever you like:
storePassword=...
keyPassword=...
keyAlias=...
storeFile=...
Add this to your build.gradle:
allprojects {
afterEvaluate ...
What does -fPIC mean when building a shared library?
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@IsaA I was compiling a c-api mysql function from source today and it wouldn't build, I got /usr/bin/ld: /tmp/cc7hXILq.o: relocation R_X86_64_32 against `.rodata' can not be used when making a shared object; recompile with -fPIC so I added fPIC and it bui...