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Rename specific column(s) in pandas
...x
1 x x x
2 x x x
3 x x x
4 x x x
With 0.21+, you can now specify an axis parameter with rename:
df.rename({'gdp':'log(gdp)'}, axis=1)
# df.rename({'gdp':'log(gdp)'}, axis='columns')
y log(gdp) cap
0 x x x
1 x x x
2 x x x
3 x x x
4...
What is “overhead”?
...t perform the sum operation using recursion but without tail-elimination. Now, in addition to the memory overhead for our list we're also introducing stack overhead (which is a different sort of memory and is often a more limited resource than other forms of memory).
Yet another (arguably more abs...
When do Java generics require
... a match that the compiler works out to Matcher<ArrayList<T>>. Now if it wasn't a type parameter, things would be fine, because List and ArrayList are covariant, but since Generics, as far as the compiler is concerned require ArrayList, it can't tolerate a List for reasons that I hope ar...
Get file version in PowerShell
...
Nowadays you can get the FileVersionInfo from Get-Item or Get-ChildItem, but it will show the original FileVersion from the shipped product, and not the updated version. For instance:
(Get-Item C:\Windows\System32\Lsasrv.dll...
Catch All Bugs with BugTrap! - 开源 & Github - 清泛网移动版 - 专注IT技能提升
...ntation, setup (github)
What's new in this version?
64 bit support - now BugTrap natively supports Win64
Multi-monitor support - BugTrap may capture screenshots from several monitors
Other enhancements - Tons of features/options added since last update. See app history for details
Intro...
Catch All Bugs with BugTrap! - 开源 & Github - 清泛网移动版 - 专注IT技能提升
...ntation, setup (github)
What's new in this version?
64 bit support - now BugTrap natively supports Win64
Multi-monitor support - BugTrap may capture screenshots from several monitors
Other enhancements - Tons of features/options added since last update. See app history for details
Intro...
Catch All Bugs with BugTrap! - 开源 & Github - 清泛网移动版 - 专注IT技能提升
...ntation, setup (github)
What's new in this version?
64 bit support - now BugTrap natively supports Win64
Multi-monitor support - BugTrap may capture screenshots from several monitors
Other enhancements - Tons of features/options added since last update. See app history for details
Intro...
Catch All Bugs with BugTrap! - 开源 & Github - 清泛网移动版 - 专注IT技能提升
...ntation, setup (github)
What's new in this version?
64 bit support - now BugTrap natively supports Win64
Multi-monitor support - BugTrap may capture screenshots from several monitors
Other enhancements - Tons of features/options added since last update. See app history for details
Intro...
Catch All Bugs with BugTrap! - 开源 & Github - 清泛网移动版 - 专注IT技能提升
...ntation, setup (github)
What's new in this version?
64 bit support - now BugTrap natively supports Win64
Multi-monitor support - BugTrap may capture screenshots from several monitors
Other enhancements - Tons of features/options added since last update. See app history for details
Intro...
Catch All Bugs with BugTrap! - 开源 & Github - 清泛网移动版 - 专注IT技能提升
...ntation, setup (github)
What's new in this version?
64 bit support - now BugTrap natively supports Win64
Multi-monitor support - BugTrap may capture screenshots from several monitors
Other enhancements - Tons of features/options added since last update. See app history for details
Intro...
