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In Python, how do I create a string of n characters in one line of code?
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You can fit anything into one-line, eh? Quite a claim, re: Python :)
– Gregg Lind
Sep 14 '09 at 21:49
6
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In C/C++ what's the simplest way to reverse the order of bits in a byte?
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You can squeeze the array into somewhat fewer than 256 bytes if you ignore palindromes.
– wilhelmtell
Apr 8 '10 at 19:56
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Default string initialization: NULL or Empty? [closed]
...sier to understand. This is why I always test booleans with "if (var)," pointers with "if (var != NULL)" and integers with "if (var != 0)" -- they all mean the same thing to the compiler, but they carry additional information that helps the poor developer who maintains my code.
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Worst security hole you've seen? [closed]
...y a very common and easy to find one at that, is Google hacking. Case in point:
http://www.google.com/search?q=inurl%3Aselect+inurl%3A%2520+inurl%3Afrom+inurl%3Awhere
It's amazing how many pages on the Internet, government sites in particular, pass an SQL query through the query string. It's the w...
Pass parameter to controller from @Html.ActionLink MVC 4
...eved the model in the GET action:
public ActionResult BlogReplyCommentAdd(int blogPostId, bool captchaValid)
{
BlogPostModel model = repository.Get(blogPostId);
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}
As far as your initial problem is concerned with the wrong overload I would recommend you writing your helpers using named...
Check for column name in a SqlDataReader object
... bool HasColumn(this IDataRecord dr, string columnName)
{
for (int i=0; i < dr.FieldCount; i++)
{
if (dr.GetName(i).Equals(columnName, StringComparison.InvariantCultureIgnoreCase))
return true;
}
return false;
}
}
Using Excepti...
Is it considered bad practice to perform HTTP POST without entity body?
...it is something like using a function which does not take an argument .e.g int post (void); so it is reasonable to have function to your resource class which can change the state of an object without having an argument. If you consider to implement the Unix touch function for a URI, is not it be goo...
Should I use Java's String.format() if performance is important?
...ublic class StringTest{
public static void main( String[] args ){
int i = 0;
long prev_time = System.currentTimeMillis();
long time;
for( i = 0; i< 100000; i++){
String s = "Blah" + i + "Blah";
}
time = System.currentTimeMillis() - prev_time;
System.out....
How can I make a JPA OneToOne relation lazy
...apped via shared PK, so it has to be eagerly fetched anyway making proxy pointless. Here's a more detailed explanation.
many-to-one associations (and one-to-many, obviously) do not suffer from this issue. Owner entity can easily check its own FK (and in case of one-to-many, empty collection proxy is...
How can I know when an EditText loses focus?
...ity implement OnFocusChangeListener() if you want a factorized use of this interface,
example:
public class Shops extends AppCompatActivity implements View.OnFocusChangeListener{
In your OnCreate you can add a listener for example:
editTextResearch.setOnFocusChangeListener(this);
editTextMyWords...