Can I use phpMyAdmin to automatically export a single database?
When I try to create a .sql file from an external script (such as php), the resulting .sql file looks clean, but it causes prob
Tag: how to use
How to use Pandas aggregate DateTime objects to int
I have this DataFrame structure
id time number
0 1 1970-01-01 00: 00:00 1
1 2 1970-01-02 00:00:00 2
2 1 1970-01-03 00:00:00 2 I want groupby id And aggregate the time of pd.Datetime dtype int
Test – How do I use TestNG to generate XML reports in JUnit style?
I am using the TestNG framework for integration testing. I want to use TestNG to generate JUnit style XML reports. My project does not use Ant, but we use Maven. Can you tell me JUnit style XML Wha
How to build an Android project using Ant on the Java project?
I have an Android library project, AndroidLib, which depends on the Java project JavaLib in my workspace.
In Eclipse, this is done by JavaLib project is added to Java Build Path> to complete.
How to use the product formula to aggregate the return in Excel UDF
I am trying to put the following formula into UDF in order to obtain cumulative return when summarizing monthly returns.
In excel, the formula must be recognized as Array, so when I type in i
How to use custom column names (using “by”) Data.Table without using “: =”?
I know I can do this
a <- dt[,sum(x), by=y ] I can do this too
dt[,z:=sum(x), by=y] # this would modify dt But I don’t know why I can’t do this:
a <- dt[,z=sum(x), by=y] < p>How t
c – How to use OpenSSL in GCC?
I am trying to use openssl in a gcc program, but it does not work properly.
g++ server.cpp /usr /lib/libssl.a -o server gives an error message, just like the -l option. What must I type on t
c – How to use the command flag to set breakpoints on a future shared library
I am trying to use the –command flag to automate a gdb session. I am trying to set a breakpoint on a function in a shared library (Unix equivalent DLL). My cmds.gdb looks like This way:
set a
Game Physics – How to use KinematicBody2D to prevent slopes from slipping more ideas?
I have a basic code below. I don’t think the player will slide down on the slope. My slope is now 45°. If the player stops moving on the slope, it will go down Sliding (probably because of velocity
How to use Laika test Meteor router or Iron router
I am using laika for testing and meteor-router packaging for wiring. I want to do some tests to navigate to a certain page, fill out a form, submit it and check the success message, but I still sti