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Getting time elapsed in Objective-C
... a link with much more information here: https://stackoverflow.com/a/23378064/588476
In light of that information, maybe it is safer to use Apple's function CACurrentMediaTime!
I also benchmarked the mach_timebase_info call and it takes approximately 19ns on my iPhone 6, so I removed the (not thre...
Reading a file line by line in Go
...s
}
return s[:length]
}
I tested on:
go version go1.15 darwin/amd64
go version go1.7 windows/amd64
go version go1.6.3 linux/amd64
go version go1.7.4 darwin/amd64
The test program outputs:
Long lines
readFileWithReadString
> Read 4194305 characters
> > aaaaaaaaaaaaaaaaaaaaaaaaa...
Gradle finds wrong JAVA_HOME even though it's correctly set
...st a symlink
/etc/alternatives/javac -> /usr/lib/jvm/java-8-openjdk-amd64/bin/javac
OK so finally found the bin above actual javac so do this
export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
export PATH=$JAVA_HOME/bin:$PATH
above can be simplified and generalized to
which javac >/dev/...
What is the difference between the kernel space and the user space?
...nerates an interrupt such as int 0x80 or syscall to signal the kernel. x86-64 Linux syscall hello world example:
.data
hello_world:
.ascii "hello world\n"
hello_world_len = . - hello_world
.text
.global _start
_start:
/* write */
mov $1, %rax
mov $1, %rdi
mov $hello_world, %...
Config Error: This configuration section cannot be used at this path
... loaded up fine in my browser.
Warning:
Editing applicationHost.config on 64-bit Windows
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Git in Powershell saying 'Could not find ssh-agent'
...xe"
Set-Alias ssh-add "${env:ProgramFiles(x86)}\git\bin\ssh-add.exe"
For 64-bit git
Set-Alias ssh-agent "$env:ProgramFiles\git\usr\bin\ssh-agent.exe"
Set-Alias ssh-add "$env:ProgramFiles\git\usr\bin\ssh-add.exe"
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Get column index from column name in python pandas
... cs95
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answered Sep 9 '17 at 8:20
snoviksnovik
56744 silver badges...
git: 'credential-cache' is not a git command
...ble. The default directory for this is C:\Program Files (x86)\Git\cmd on a 64-bit system or C:\Program Files\Git\cmd on a 32-bit system. An easy way to test this is to launch a command prompt and type git. If you don't get a list of git commands, then it's not set up correctly.
Finally, launch a co...
Compiling Java 7 code via Maven
...ollows:
ls -l /System/Library/Frameworks/JavaVM.framework/Versions/
total 64
lrwxr-xr-x 1 root wheel 10 30 Oct 16:18 1.4 -> CurrentJDK
lrwxr-xr-x 1 root wheel 10 30 Oct 16:18 1.4.2 -> CurrentJDK
lrwxr-xr-x 1 root wheel 10 30 Oct 16:18 1.5 -> CurrentJDK
lrwxr-xr-x 1 root wheel...
How can I give eclipse more memory than 512M?
...IT: 32bit version of juno seems to not accept more than Xmx1024m where the 64 bit version accept 2048.
EDIT: Nick's post contains some great links that explain two different things:
The problem is largely dependent on your system and the amount of contiguous free memory available, and
By using j...