大约有 40,000 项符合查询结果（耗时：0.0367秒） [XML]
Stashing only un-staged changes in Git
...sh-working = "!f() { \
git commit --quiet -m \"temp for stash-working\" && \
git stash push \"$@\" && \
git reset --quiet --soft HEAD~1; }; f"
It commits the staged changes temporarily, creates a stash from the remaining changes (and allows additional arguments such as --incl...
Find substring in the string in TWIG
...tring using Twig. On the words, I need analogue of 'strstr' or 'strpos' in php.
I googled and searched this issue in stackoverflow but nothing found. Does someone know how to solve this problem?
...
Java string to date conversion
...ble format patterns:
Letter Date or Time Component Presentation Examples
------ ---------------------- ------------------ -------------------------------------
G Era designator Text AD
y Year Year 1996; 96
Y Week...
Using parameters in batch files at Windows command line
...p to grab them, as defined here:
http://www.robvanderwoude.com/parameters.php
Notes about delimiters for batch parameters
Some characters in the command line parameters are ignored by batch files, depending on the DOS version, whether they are "escaped" or not, and often depending on their locati...
Understanding the Rails Authenticity Token
...rver checks token when form posted, rejects forms without proper token.
Example token: session identifier encrypted with server secret key.
Rails automatically generates such tokens: see the authenticity_token input field in every form.
...
How to get git diff with full context?
...$ cat ~/.gitconfig | fgrep df
df = "! [ \"$GIT_PREFIX\" != \"\" ] && cd \"$GIT_PREFIX\"; ~/bin/git_df.sh"
$
$ cat ~/bin/git_df.sh
#!/bin/bash
for FILE in $@; do
git diff -U$(wc -l "${FILE}" | cut -d ' ' -f 1) "${FILE}"
done
exit 0
...
jQuery - Illegal invocation
...Data: false in ajax settings like this
$.ajax({
url : base_url+'index.php',
type: 'POST',
dataType: 'json',
data: data,
cache : false,
processData: false
}).done(function(response) {
alert(response);
});
...
Combining C++ and C - how does #ifdef __cplusplus work?
... can't be built with C linkage. That means no classes or templates, for example.
extern "C" blocks nest nicely. There's also extern "C++" if you find yourself hopelessly trapped inside of extern "C" regions, but it isn't such a good idea from a cleanliness perspective.
Now, specifically regardin...
Logical operators for boolean indexing in Pandas
...t boolean evaluation, you want element-wise logical-and. That is what the & binary operator performs:
(a['x']==1) & (a['y']==10)
returns a boolean array.
By the way, as alexpmil notes,
the parentheses are mandatory since & has a higher operator precedence than ==.
Without the par...
Converting integer to binary in python
......
>>> bin8 = lambda x : ''.join(reversed( [str((x >> i) & 1) for i in range(8)] ) )
>>> bin8(6)
'00000110'
>>> bin8(-3)
'11111101'
share
|
improve this answe...