大约有 30,000 项符合查询结果(耗时:0.0585秒) [XML]
What is the { get; set; } syntax in C#?
... gonna try to explain this more in-depth here.
get and set are accessors, meaning they're able to access data and info in private fields (usually from a backing field) and usually do so from public properties (as you can see in the above example).
There's no denying that the above statement is pre...
Remove duplicated rows using dplyr
... I'm sure there is a simple solution but what if I want to get rid of both duplicate rows? I often work with metadata associated with biological samples and if I have duplicate sample IDs, I often can't be sure sure which row has the correct data. Safest bet is to dump both to avoid erron...
Current time in microseconds in java
... JavaDoc says that whilst this provides nanosecond precision, that doesn't mean nanosecond accuracy. So take some suitably large modulus of the return value.
share
|
improve this answer
|
...
What are “res” and “req” parameters in Express functions?
.... You could change that code to this if it's more clear:
app.get('/user/:id', function(request, response){
response.send('user ' + request.params.id);
});
Edit:
Say you have this method:
app.get('/people.json', function(request, response) { });
The request will be an object with properties...
how to calculate binary search complexity
... = log2 N
x * log2(2) = log2 N
x * 1 = log2 N
this means you can divide log N times until you have everything divided. Which means you have to divide log N ("do the binary search step") until you found your element.
...
Programmatically Determine a Duration of a Locked Workstation?
... Microsoft.Win32.SessionSwitchEventHandler(SystemEvents_SessionSwitch);
void SystemEvents_SessionSwitch(object sender, Microsoft.Win32.SessionSwitchEventArgs e)
{
if (e.Reason == SessionSwitchReason.SessionLock)
{
//I left my desk
}
else if (e.Reason == SessionSwitchReason....
Are there any cases when it's preferable to use a plain old Thread object instead of one of the newe
...ng against the usage of the Thread class in recent versions of C# (and I mean of course 4.0+, with the addition of Task & friends). Even before, there were debates about the fact that a plain old thread's functionality can be replaced in many cases by the ThreadPool class.
...
Capture iframe load complete event
...t;/script>
2) inline javascript, is another way that you can use inside your HTML markup.
<script>
function onMyFrameLoad() {
alert('myframe is loaded');
};
</script>
<iframe id="myframe" src="..." onload="onMyFrameLoad(this)"></iframe>
3) You may also attach t...
How to generate a random number between a and b in Ruby?
...izes. Try (100000000000000000..100000000000000).to_a.sample and see what I mean : )
– pixelearth
Sep 16 '11 at 22:06
...
Why is Magento so slow? [closed]
...s of Magento use an EAV database system implemented on top of MySQL. This means querying for a single "thing" often means querying multiple rows
There's a lot of things behind the scenes (application configuration, system config, layout config, etc.) that involve building up giant XML trees in memo...