大约有 9,000 项符合查询结果(耗时:0.0381秒) [XML]
Is int[] a reference type or a value type?
...nguage-reference/operators/stackalloc
A stackalloc expression allocates a block of memory on the stack. A
stack allocated memory block created during the method execution is
automatically discarded when that method returns. You cannot
explicitly free the memory allocated with stackalloc. A stack
al...
What's a monitor in Java?
...ust need to clarify this...the object which is used to call a synchronised block in thread 1 can be used again in another thread (thread 2) to call normal method(not synchronised ) at the same time ?
– user6091735
Jun 7 '17 at 16:58
...
Best way to use Google's hosted jQuery, but fall back to my hosted library on Google fail
...
Aren't javascript downloads blocking (synchronous) already? Seems to me the double-copy issue would therefore not be a problem.
– Matt Sherman
Jun 22 '09 at 2:08
...
Is GridFS fast and reliable enough for production?
... since it's up and running. The resize and store stuff is done by a simple php script... but for sure, a python script, or something like java could be faster.
Current data size : 11.23g
Current storage size : 12.5g
Indices : 5
Index size : 849.65m
About the reliability : This is very reliable....
Database development mistakes made by application developers [closed]
...e NOT NULL and FOREIGN KEY if I’ll always control my database input with php?
Are foreign keys really necessary in a database design?
Are foreign keys really necessary in a database design?
3. Using natural rather than surrogate (technical) primary keys
Natural keys are keys based on externally...
Height equal to dynamic width (CSS fluid layout) [duplicate]
...a live example. Code is reposted below.
#container {
display: inline-block;
position: relative;
width: 50%;
}
#dummy {
margin-top: 75%;
/* 4:3 aspect ratio */
}
#element {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
background-color: silver/* show me! */
}
...
Why is vertical-align: middle not working on my span or div?
...issues). Just to point out that these parameters have to be added to a CSS block specific to the elements to be centred/middled, eg: #element span {height:100%;display:-webkit-box;-webkit-box-pack:center;-webkit-box-align:center;} - note the height is important to ensure the span inherits the full h...
How to resize an image to fit in the browser window?
... max-height: 100%;
}
.center {
display: block;
margin: auto;
}
</style>
</head>
<body>
<img class="center fit" src="pic.jpg" >
<script src="http://code.jquery.com/jquery-latest.js"></script>
<script t...
css rotate a pseudo :after or :before content:“”
...med, and pseudo elements are inline by default, so you must apply display: block or display: inline-block to transform them:
#whatever:after {
content:"\24B6";
display: inline-block;
-webkit-transform: rotate(30deg);
-moz-transform: rotate(30deg);
-o-transform: rotate(30deg);
...
Is “else if” faster than “switch() case”? [duplicate]
...inding out the performance difference between a switch case and an if-else block would be trivial.
Edit: For clarity's sake: implement whichever design is clearer and more maintainable. Generally when faced with a huge switch-case or if-else block the solution is to use polymorphism. Find the behav...