大约有 46,000 项符合查询结果(耗时:0.0727秒) [XML]
Check variable equality against a list of values
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For variables if([a,b,c].includes(foo)) or strings if(['a','b','c'].includes(foo))
– Hastig Zusammenstellen
Mar 1 '17 at 22:12
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How to specify a min but no max decimal using the range data annotation attribute?
... {1}.")]
That should do what you are looking for and you can avoid using strings.
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How to know/change current directory in Python shell?
... ^ SyntaxError: EOL while scanning string literal
– AAI
Sep 4 '16 at 0:31
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Convert date to another timezone in JavaScript
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var aestTime = new Date().toLocaleString("en-US", {timeZone: "Australia/Brisbane"});
console.log('AEST time: '+ (new Date(aestTime)).toISOString())
var asiaTime = new Date().toLocaleString("en-US", {timeZone: "Asia/Shanghai"});
console.log('Asia time: '+...
How to convert an image to base64 encoding?
...nd get result to prepare str as data:" . file_mime_type . " base64_encoded string. Use it in img src attribute. see following code can I help for you.
// A few settings
$img_file = 'raju.jpg';
// Read image path, convert to base64 encoding
$imgData = base64_encode(file_get_contents($img_file));
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Bash Templating: How to build configuration files from templates with Bash?
...$ENV{$1} ? $ENV{$1} : $&/eg' < template.txt
to replace all ${...} strings with corresponding enviroment variables (do not forget to export them before running this script).
For pure bash this should work (assuming that variables do not contain ${...} strings):
#!/bin/bash
while read -r li...
How to convert a Django QuerySet to a list
...er(lambda x: x.id not in ids, answers)
Read when QuerySets are evaluated and note that it is not good to load the whole result into memory (e.g. via list()).
Reference: itertools.ifilter
Update with regard to the comment:
There are various ways to do this. One (which is probably not the best on...
What does the @ symbol before a variable name mean in C#? [duplicate]
I understand that the @ symbol can be used before a string literal to change how the compiler parses the string. But what does it mean when a variable name is prefixed with the @ symbol?
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Install MySQL on Ubuntu without a password prompt
...left blank for a blank root password.)
If your shell doesn't support here-strings (zsh, ksh93 and bash support them), use:
echo ... | sudo debconf-set-selections
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Dynamic type languages versus static type languages
...t be proven by the compiler. A simple example being if(1) a = 3; else a = "string";, surely since it's always true, the else-branch will never be executed in the program, and no type error shall occur. But it can't prove these cases in a general way, so it's rejected. This is the major weakness of a...
