大约有 15,462 项符合查询结果(耗时:0.0241秒) [XML]
SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu
...parisons on characters converted to integers in an identical manner. In my test, I've found that some comparisons of converted characters, such as the exclamation point, will return type conversion errors, while other comparisons of converted characters, such as the space, will be determined to be o...
Why do we check up to the square root of a prime number to determine if it is prime?
To test whether a number is prime or not, why do we have to test whether it is divisible only up to the square root of that number?
...
Detect if value is number in MySQL
...
If your data is 'test', 'test0', 'test1111', '111test', '111'
To select all records where the data is a simple int:
SELECT *
FROM myTable
WHERE col1 REGEXP '^[0-9]+$';
Result: '111'
(In regex, ^ means begin, and $ means end)
To select...
How to print a dictionary line by line in Python?
...m including it here in case it can be of value to another. In running nosetest, I also found it helpful to be able to specify the output stream in the call so that sys.stderr could be used instead.
import sys
def dump(obj, nested_level=0, output=sys.stdout):
spacing = ' '
if isinstance(...
How to list only the file names that changed between two commits?
...ff --name-only HEAD~10 HEAD~5
to see the differences between the tenth latest commit and the fifth latest (or so).
share
|
improve this answer
|
follow
|
...
How do I wait for an asynchronously dispatched block to finish?
I am testing some code that does asynchronous processing using Grand Central Dispatch. The testing code looks like this:
13...
ExpressJS How to structure an application?
....js application.
focusaurus/express_code_structure is the repo with the latest code for this. Pull requests welcome.
Here's a snapshot of the README since stackoverflow doesn't like just-a-link answers. I'll make some updates as this is a new project that I'll continue updating, but ultimately the...
How to implement if-else statement in XSLT?
...g <xsl:choose> tag:
<xsl:choose>
<xsl:when test="$CreatedDate > $IDAppendedDate">
<h2> mooooooooooooo </h2>
</xsl:when>
<xsl:otherwise>
<h2> dooooooooooooo </h2>
</xsl:otherwi...
LIKE vs CONTAINS on SQL Server
...The CONTAINS query should be:
SELECT * FROM table WHERE CONTAINS(Column, 'test');
share
|
improve this answer
|
follow
|
...
Testing the type of a DOM element in JavaScript
Is there a way to test the type of an element in JavaScript?
7 Answers
7
...