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Does static constexpr variable inside a function make sense?
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240
The short answer is that not only is static useful, it is pretty well always going to be desired...
emacs/elisp: What is the hash (pound, number sign, octothorp) symbol used for?
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101
There is no difference:
(eq 'my-add #'my-add)
yields t
The # can be used in front of a lamb...
Write to .txt file?
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270
FILE *f = fopen("file.txt", "w");
if (f == NULL)
{
printf("Error opening file!\n");
exit...
Use NUnit Assert.Throws method or ExpectedException attribute?
...actice?
– SamuelDavis
Feb 22 '13 at 0:03
5
@SamuelDavis - in general you wouldn't want to test di...
Declaring variables inside loops, good practice or bad practice?
...ly includes the loop counter itself.
{
int i, retainValue;
for (i=0; i<N; i++)
{
int tmpValue;
/* tmpValue is uninitialized */
/* retainValue still has its previous value from previous loop */
/* Do some stuff here */
}
/* Here, retainValue is sti...
How do I convert an interval into a number of hours with postgres?
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Probably the easiest way is:
SELECT EXTRACT(epoch FROM my_interval)/3600
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Insert ellipsis (…) into HTML tag if content too wide
...line {
white-space: normal;
}
<div class="ellipsis" style="width: 100px; border: 1px solid black;">Lorem ipsum dolor sit amet, consectetur adipisicing elit</div>
<div class="ellipsis multiline" style="width: 100px; height: 40px; border: 1px solid black; margin-bottom: 100px">L...
Check whether a string matches a regex in JS
... regex.test() if all you want is a boolean result:
console.log(/^([a-z0-9]{5,})$/.test('abc1')); // false
console.log(/^([a-z0-9]{5,})$/.test('abc12')); // true
console.log(/^([a-z0-9]{5,})$/.test('abc123')); // true
...and you could remove the () from your regexp since you've no n...
SQL Server: Maximum character length of object names
...m character length of object name (e.g. constraint, column) in SQL Server 2008?
3 Answers
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MediaHelper 媒体助手扩展：从媒体文件提取元数据和专辑封面 · App Inventor 2 中文网
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版本
日期
修改内容
1.0
2021-07-06
初始版本
1.1
2024-09-04
Android 14 适配
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应用截图
文件列表示例
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