大约有 47,000 项符合查询结果（耗时：0.0737秒） [XML]
How to serialize an Object into a list of URL query parameters?
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One line with no dependencies:
new URLSearchParams(obj).toString();
// OUT: param1=something&param2=somethingelse&param3=another&param4=yetanother
Use it with the URL builtin like so:
let obj = { param1: 'something', param2: 'somethingelse', param3: 'another' }
obj['par...
Best way to use Google's hosted jQuery, but fall back to my hosted library on Google fail
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Small fix from a validator fanatic: The string '</' is not allowed in JavaScript, because it could be misinterpreted as the end of the script tag (SGML short tag notation). Do '<'+'/script>' instead. Cheers,
– Boldewyn
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startActivityForResult() from a Fragment and finishing child Activity, doesn't call onActivityResult
...<activity
android:name=".FirstActivity"
android:label="@string/title_activity_main"
android:launchMode="singleTop"
android:theme="@style/AppTheme.NoActionBar" />
In FirstActivity.java, override onActivityResult method. As this will call the onActivityResult of...
Ant: How to execute a command for each file in directory?
... <condition property="hasMoreElements">
<contains string="@{list}" substring=";" />
</condition>
<loadresource property="tail" if:true="${hasMoreElements}">
<concat>@{list}</concat>
<filte...
Check Whether a User Exists
...ly, as if already checks for the exit code. There's no need to fiddle with strings, [, $? or $():
if id "$1" &>/dev/null; then
echo 'user found'
else
echo 'user not found'
fi
(no need to use -u as you're discarding the output anyway)
Also, if you turn this snippet into a function or ...
Regex how to match an optional character
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Tim, your example works for both strings whether I have a letter in that position or not. Thanks.
– jim
Oct 24 '10 at 7:00
add a comm...
sqlite database default time value 'now'
...sary.
Using unix epoch saves storage space - 4 bytes integer vs. 24 bytes string when stored as ISO8601 string, see datatypes. If 4 bytes is not enough that can be increased to 6 or 8 bytes.
Saving timestamp on UTC timezone makes it convenient to show a reasonable value on multiple timezones.
SQL...
how does Array.prototype.slice.call() work?
... sadly you can't convert just any object this way, if your object keys are string values, like in actual words.. This will fail, so keep your objects content as '0':'value' and not like 'stringName':'value'.
– joopmicroop
Apr 9 '13 at 14:45
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The Definitive C Book Guide and List
...mmon mechanisms and data structures in C, such as lists, sets, exceptions, string manipulation, memory allocators, and more. Basically, Hanson took all the code he'd written as part of building Icon and lcc and pulled out the best bits in a form that other people could reuse for their own projects. ...
How to study design patterns? [closed]
...reading about them. Take some sample implementations that you find online and build up around them.
A great resource is the Data & Object Factory page. They go over the patterns, and give you both conceptual and real world examples. Their reference material is great, too.
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