大约有 45,000 项符合查询结果(耗时:0.0578秒) [XML]
UDP vs TCP, how much faster is it? [closed]
...gh, a missing or 'rearranged' packet is critical. You'd have to write some extra code to run on top of UDP to retry if things got missed, and enforce correct order. This would add a small bit of overhead in certain places.
Thankfully, some very very smart people have done this, and they called it T...
How does this checkbox recaptcha work and how can I use it?
... verify the "g-recaptcha-response" control is filled in:
protected static string ReCaptcha_Key, ReCaptcha_Secret;
protected void btnSubmit_Click(object sender, EventArgs e)
{
if (!String.IsNullOrEmpty(Request.Form["g-recaptcha-response"]))
{
// other code
} else
{
lb...
Retrieve column names from java.sql.ResultSet
With java.sql.ResultSet is there a way to get a column's name as a String by using the column's index? I had a look through the API doc but I can't find anything.
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What is the meaning of addToBackStack with null parameter?
... null parameter to addToBackStack?
It don't need to be null, it can be a string. If you don't want, just pass null.
public abstract FragmentTransaction addToBackStack (String name)
Added in API level 11
Add this transaction to the back stack. This means that the transaction will be r...
Convert Base64 string to an image file? [duplicate]
I am trying to convert my base64 image string to an image file. This is my Base64 string:
8 Answers
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How to select an option from drop down using Selenium WebDriver C#?
...cting control by ID and option by text):
protected void clickOptionInList(string listControlId, string optionText)
{
driver.FindElement(By.XPath("//select[@id='"+ listControlId + "']/option[contains(.,'"+ optionText +"')]")).Click();
}
use:
clickOptionInList("ctl00_ContentPlaceHolder_lbxAll...
Using the field of an object as a generic Dictionary key
...gt;, but that is optional:
class Foo : IEquatable<Foo> {
public string Name { get; set;}
public int FooID {get; set;}
public override int GetHashCode() {
return FooID;
}
public override bool Equals(object obj) {
return Equals(obj as Foo);
}
public ...
Efficiency of premature return in a function
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@Philip what register addition? There is no extra instruction in the path at all.
– Marquis of Lorne
Oct 26 '11 at 1:15
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How can I undo a `git commit` locally and on a remote after `git push`
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git log
you'll see bunch of 'f650a9e398ad9ca606b25513bd4af9fe...' like strings along with each of the commits. copy that number from the commit that you want to return back.
2. Now, type in below command:
git reset --hard your_that_copied_string_but_without_quote_mark
you should see message ...
What columns generally make good indexes?
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string searches where the value can be anywhere inside the string might make it not use those index in that case.
– Arthur Thomas
Sep 20 '08 at 7:12
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