大约有 30,000 项符合查询结果（耗时：0.0495秒） [XML]
Using jQuery to test if an input has focus
...t ourselves. Just use $("..").is(":focus")
jQuery 1.5 and below
Edit: As times change, we find better methods for testing focus, the new favorite is this gist from Ben Alman:
jQuery.expr[':'].focus = function( elem ) {
return elem === document.activeElement && ( elem.type || elem.href )...
How to pass JVM options from bootRun
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Doing this with gradle required that the system property provided at the time of running gradle build, shown here,
gradle build -Ddeep.test.run=true
was indeed passed through to the tests.
Hope this helps others trying out this approach for running tests conditionally.
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Returning a value from thread?
... unnecessary because no reads or writes to value are occurring at the same time. But, yeah, always be mindful of when a lock is necessary.
– Brian Gideon
Feb 23 '15 at 17:19
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How to get URL parameter using jQuery or plain JavaScript?
...short and, contrary to accepted solution, doesn't need to reparse url each time you need a value. Could be slightly improved with replace(/[?&;]+([^=]+)=([^&;]*)/gi to reconize ";" character as a separator too.
– Le Droid
Feb 5 '16 at 18:16
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When and why would you seal a class?
... sounds vague but, assuming we don't write "security features" most of the time, does that mean reason #1 hardly applies? Reason #2 is for performance-tuning. How much performance difference are we talking about? Are they significant enough to justify altering a non-security class's definition? Even...
How to get JSON objects value if its name contains dots?
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What you want is:
var smth = mydata.list[0]["points.bean.pointsBase"][0].time;
In JavaScript, any field you can access using the . operator, you can access using [] with a string version of the field name.
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How do I base64 encode (decode) in C?
.../utils/base64.c and the Apache at https://opensource.apple.com/source/QuickTimeStreamingServer/QuickTimeStreamingServer-452/CommonUtilitiesLib/base64.c.
Here is the time (in microseconds) to encode 32K of data using the different algorithms I have tested up to now:
jounimalinen 25....
How to calculate a logistic sigmoid function in Python?
... replace math.exp with np.exp you won't get NaNs, although you will get runtime warnings.
– Richard Rast
Jul 20 '16 at 17:18
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What is the use of “assert” in Python?
...’s assert statement is a debugging aid, not a mechanism for handling run-time errors. The goal of using assertions is to let developers find the likely root cause of a bug more quickly. An assertion error should never be raised unless there’s a bug in your program.
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Fast way of finding lines in one file that are not in another?
...ion), repeated runs with chunks of file1 and reading file2 completely each time:
split -l 20000 --filter='gawk -f linesnotin.awk - file2' < file1
Note the use and placement of - meaning stdin on the gawk command line. This is provided by split from file1 in chunks of 20000 line per-invocation....