大约有 43,000 项符合查询结果（耗时：0.0266秒） [XML]
Parse query string into an array
...ults or that all instances of the key are retained. The valid approach, at least for a query string sent to PHP, would be ?key[]=lorem&key[]=ipsum, so your homegrown approach might look for any occurrences of &{x}= where x occurs more than once and replace with x[] (and treating ? as same a...
Using setImageDrawable dynamically to set image in an ImageView
...
This works, at least in Android API 15
ImageView = imgv;
Resources res = getResources(); // need this to fetch the drawable
Drawable draw = res.getDrawable( R.drawable.image_name_in_drawable );
imgv.setImageDrawable(draw);
You could use ...
Secure hash and salt for PHP passwords
...sed.
Implement a reasonable 8-10 character minimum length, plus require at least 1 upper case letter, 1 lower case letter, a number, and a symbol. This will improve the entropy of the password, in turn making it harder to crack. (See the "What makes a good password?" section for some debate.)
Why ...
jQuery see if any or no checkboxes are selected
...
JQuery .is will test all specified elements and return true if at least one of them matches selector:
if ($(":checkbox[name='choices']", form).is(":checked"))
{
// one or more checked
}
else
{
// nothing checked
}
...
Why is Double.MIN_VALUE in not negative
...mply write -Double.MAX_VALUE. It also explains why Double.MIN_VALUE is the least positive value (since that represents the least possible magnitude).
But sure, I agree that the naming is a bit misleading. Being used to the meaning Integer.MIN_VALUE, I too was a bit surprised when I read that Double...
How to add a primary key to a MySQL table?
...
mysql doesn't recognize MODIFY as proper statement(at least in XAMPP, InnoDB)
– LMD
Jul 13 '18 at 18:25
...
Removing App ID from Developer Connection
...rom itunesConnest, and then its associated budle identifier, once it is at least one time approved by apple. The app never approved, but submitted to itunesconnect cannot be removed at all. So, since then it becomes a trash.
– Bartłomiej Semańczyk
Dec 3 '15 a...
addEventListener vs onclick
...events here still applies, but you are removed from the nitty gritty by at least one layer. You should understand the nuts and bolts, but if your modern JS framework best practices involve writing this kind of code in a template, don't feel like you're using an inline event -- you aren't.
Which is ...
Best way to iterate through a Perl array
.... A benchmark of the three choices might offer you insight into speed, at least.
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how to listen to N channels? (dynamic select statement)
...d by the list of cases. Like
the Go select statement, it blocks until at least one of the cases can
proceed, makes a uniform pseudo-random choice, and then executes that
case. It returns the index of the chosen case and, if that case was a
receive operation, the value received and a boolean ...