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How can I check if a checkbox is checked?
... in IF condition:-
<script type="text/javascript">
function validate() {
if (document.getElementById('remember').checked) {
alert("checked");
} else {
alert("You didn't check it! Let me check it for you.");
}
}
</script>
...
how to draw smooth curve through N points using javascript HTML5 canvas?
...by completely disjoint control points. One solution is to "curve to" the midpoints between the next 2 subsequent sample points. Joining the curves using these new interpolated points gives a smooth transition at the end points (what is an end point for one iteration becomes a control point for the...
How to fix height of TR?
...ng text. I think you'll find that the only solution is to put the text inside a div element, like so:
td.container > div {
width: 100%;
height: 100%;
overflow:hidden;
}
td.container {
height: 20px;
}
<table>
<tr>
<td class="container">...
Why does this async action hang?
...;T>(this OurDBConn dataSource, Func<OurDBConn, T> function)
{
string connectionString = dataSource.ConnectionString;
// Start the SQL and pass back to the caller until finished
return Task.Run(
() =>
{
// Copy the SQL connection so that we don't g...
Log all queries in mysql
...tead of --log. By default, queries that take 10 seconds or longer are considered slow, you can change this by setting long_query_time to the number of seconds a query must take to execute before being logged.
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腾讯Tencent开源框架介绍（持续更新） - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...展示，其作用类似于pthread_cond_wait
*/
struct stTask_t
{
int id;
};
struct stEnv_t
{
stCoCond_t* cond;
queue<stTask_t*> task_queue;
};
void* Producer(void* args)
{
co_enable_hook_sys();
stEnv_t* env= (stEnv_t*)args;
int id = 0;
while (true)
{
stTask_t* task = (s...
Programmatically change the src of an img tag
...
Give your img tag an id, then you can
document.getElementById("imageid").src="../template/save.png";
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How to pass parameters in $ajax POST?
...
console.log("error");
});
Additionally, if you always send a JSON string, you can use $.getJSON or $.post with one more parameter at the very end.
$.post('superman', { field1: "hello", field2 : "hello2"},
function(returnedData){
console.log(returnedData);
}, 'json');
...
为AppInventor2开发自己的拓展(Extension) - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...ainer; private Context context; private static final String LOG_TAG = "CB"; private boolean suppressToast; public Clipboard(ComponentContainer container) { super(container.$form()); this.container = container; &nbs...
Converting BigDecimal to Integer
...ge = new BigDecimal("10000000000000000000000000000000000000000000000")
String decimalAsBigIntString = decimal.toBigInteger().toString()
String hugeDecimalAsBigIntString = hugeDecimal.toBigInteger().toString()
String reallyHugeAsBigIntString = reallyHuge.toBigInteger().toString()
exp...