大约有 48,000 项符合查询结果（耗时：0.0545秒） [XML]
int value under 10 convert to string two digit number
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KobiKobi
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a...
How to get last items of a list in Python?
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answered Mar 14 '09 at 20:21
cobbalcobbal
64.5k1616 gold badges133133 silver badges154154 bronze badges
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Correct way to convert size in bytes to KB, MB, GB in JavaScript
... // 1 KB
formatBytes('1024'); // 1 KB
formatBytes(1234); // 1.21 KB
formatBytes(1234, 3); // 1.205 KB
Demo / source :
function formatBytes(bytes, decimals = 2) {
if (bytes === 0) return '0 Bytes';
const k = 1024;
const dm = decimals < 0 ? 0 : decimals;
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In Jinja2, how do you test if a variable is undefined?
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21
Additionally, you can use {% if variable is not defined %} to test the inverse.
– pbaranay
Feb 22 '1...
Unignore subdirectories of ignored directories in Git
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answered Mar 12 '11 at 21:15
Art ShayderovArt Shayderov
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What does it mean in shell when we put a command inside dollar sign and parentheses: $(command)
...ble?
– Mitchell Tracy
Apr 30 '17 at 21:37
2
"Usage of the $ like $(echo foo) means run whatever i...
tmux: How to join two tmux windows into one, as panes?
...opinion.
– Charles
Jan 23 '18 at 22:21
is there a keyboard shortcut for this that I can map to?
–...
How to stop IntelliJ truncating output when I run a build?
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answered Mar 21 '16 at 18:59
amaidmentamaidment
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Is it safe to use -1 to set all bits to true?
... Johannes Schaub - litbJohannes Schaub - litb
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warning: implicit declaration of function
...n a declaration ("prototype") yet.
For example:
int main()
{
fun(2, "21"); /* The compiler has not seen the declaration. */
return 0;
}
int fun(int x, char *p)
{
/* ... */
}
You need to declare your function before main, like this, either directly or in a header:
int fun(int...