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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...
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, %...
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...
How can I set up an editor to work with Git on Windows?
...ure and the user gets
lost.
See commit abfb04d (07 Dec 2017), and commit a64f213 (29 Nov 2017) by Lars Schneider (larsxschneider).
Helped-by: Junio C Hamano (gitster).
(Merged by Junio C Hamano -- gitster -- in commit 0c69a13, 19 Dec 2017)
launch_editor(): indicate that Git waits for user input...
Saving a Numpy array as an image
...6
dF.dF.
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...
No module named _sqlite3
...t this problem because the Multi-version Python,
on my own vps (cent os 7 x64), I solved it in this way:
Find the file "_sqlite3.so"
find / -name _sqlite3.so
out: /usr/lib64/python2.7/lib-dynload/_sqlite3.so
Find the dir of python Standard library you want to use,
for me /usr/local/lib/pytho...
Auto-size dynamic text to fill fixed size container
...
mekwallmekwall
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1
...
What does the restrict keyword mean in C++?
... *b
add R2 += R1
set R2 → *b
Does GCC really do it?
g++ 4.8 Linux x86-64:
g++ -g -std=gnu++98 -O0 -c main.cpp
objdump -S main.o
With -O0, they are the same.
With -O3:
void f(int *a, int *b, int *x) {
*a += *x;
0: 8b 02 mov (%rdx),%eax
2: 01 07 ...