大约有 42,000 项符合查询结果（耗时：0.0277秒） [XML]
How to detect if a script is being sourced
...
This seems to be portable between Bash and Korn:
[[ $_ != $0 ]] && echo "Script is being sourced" || echo "Script is a subshell"
A line similar to this or an assignment like pathname="$_" (with a later test and action) must be on the first line of the s...
Compelling examples of custom C++ allocators?
...
std::vector<T,tbb::scalable_allocator<T> >
(this is a quick and convenient way of switching the allocator to use TBB's nifty thread-private heaps; see page 7 in this document)
share
|
...
Cleaning up old remote git branches
I work from two different computers (A and B) and store a common git remote in the dropbox directory.
9 Answers
...
Generating CSV file for Excel, how to have a newline inside a value
...ot strip off leading spaces. You will get unwanted spaces in your headings and data fields. Worse, the " that should be "protecting" that line-break in the third column will be ignored because it is not at the start of the field.
If you have non-ASCII characters (encoded in UTF-8) in the file, you ...
Table name as variable
...
For static queries, like the one in your question, table names and column names need to be static.
For dynamic queries you should generate the full SQL dynamically, and use sp_executesql to execute it.
Here is an example of a script used to compare data between the same tables of diff...
python: how to identify if a variable is an array or a scalar
...supports a tuple of classes, check type(x) in (..., ...) should be avoided and is unnecessary.
You may also wanna check not isinstance(x, (str, unicode))
share
|
improve this answer
|
...
Swift - Split string over multiple lines
...he expression is "too complex to be solved in a reasonable amount of time" and to consider breaking it down to simpler expressions. That's ugly but easy enough to accomplish, just wrap sections in parens.
– clearlight
Dec 7 '14 at 0:02
...
Sort a text file by line length including spaces
...s wanted for lines of matching length. I've assumed that this is unwanted and suggested the use of -s (--stable) to prevent such lines being sorted against each other, and keep them in the relative order in which they occur in the input.
(Those who want more control of sorting these ties might loo...
Is there any boolean type in Oracle databases?
...
@Irfy Recently, I saw N and F being used, because ON and OFF begin with the same letter...
– JimmyB
Dec 10 '15 at 16:15
7
...
Read a file one line at a time in node.js?
...
Since Node.js v0.12 and as of Node.js v4.0.0, there is a stable readline core module. Here's the easiest way to read lines from a file, without any external modules:
const fs = require('fs');
const readline = require('readline');
async functio...