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Make an existing Git branch track a remote branch?
... type longer commands, these are equivalent to the above two:
git branch --set-upstream-to=upstream/foo
git branch --set-upstream-to=upstream/foo foo
As of Git 1.7.0 (before 1.8.0):
git branch --set-upstream foo upstream/foo
Notes:
All of the above commands will cause local branch foo to track r...
Git: Cannot see new remote branch
...chname -> origin/branchname
$ git checkout branchname
Branch branchname set up to track remote branch branchname from origin.
Switched to a new branch 'branchname'
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Send POST Request with Data Specified in File via Curl
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
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Python Requests and persistent sessions
...alue. For localhost, web server should return cookies with domain property set to localhost.local, otherwise the cookie will not be applied to the session. In that case use 127.0.0.1 instead of localhost
– Sergey Nudnov
Apr 30 at 19:11
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UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
...
On read csv, I added an encoding method:
import pandas as pd
dataset = pd.read_csv('sample_data.csv', header= 0,
encoding= 'unicode_escape')
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MySQL load NULL values from CSV data
...o what you want. It reads the fourth field into a local variable, and then sets the actual field value to NULL, if the local variable ends up containing an empty string:
LOAD DATA INFILE '/tmp/testdata.txt'
INTO TABLE moo
FIELDS TERMINATED BY ","
LINES TERMINATED BY "\n"
(one, two, three, @vfour, f...
[完整源码实例] 修改 CListCtrl 的标题栏字体颜色；重绘 CListCtrl 标题栏 ...
...置标题栏字体的话，无需自绘CHeaderCtrl，部分代码如下：CFont *f = new CFont; f->CreateFont(13, nHeight ...如果只需设置标题栏字体的话，无需自绘CHeaderCtrl，部分代码如下：
CFont *f = new CFont;
f->CreateFont(13, // nHeight
...
How to count TRUE values in a logical vector
... can handle NA's in logical vector.
For instance:
# create dummy variable
set.seed(100)
x <- round(runif(100, 0, 1))
x <- x == 1
# create NA's
x[seq(1, length(x), 7)] <- NA
If you type in sum(x) you'll get NA as a result, but if you pass na.rm = TRUE in sum function, you'll get the resul...
Convert float to double without losing precision
I have a primitive float and I need as a primitive double. Simply casting the float to double gives me weird extra precision. For example:
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Convert column classes in data.table
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What is the idiomatic way of doing this for a subset of columns (instead of all of them)? I've defined a character vector convcols of columns. dt[,lapply(.SD,as.numeric),.SDcols=convcols] is almost instant while dt[,convcols:=lapply(.SD,as.numeric),.SDcols=convcols] almost ...