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Making 'git log' ignore changes for certain paths
...ath-match checks on individual paths under the directory would cause those extra paths to be filtered out, the only difference from using the wrong function was unnecessary computation.
The second of those bad calls to do_match_pathspec() was involved -- via either direct movement or via copying+edi...
MySQL indexes - what are the best practices?
...mpacts of indexing
UPDATEs and INSERTs will be slower. There's also the extra storage space requirments, but that's usual unimportant these days.
If i have a VARCHAR 2500 column which is searchable from parts of my site, should i index it
No, unless it's UNIQUE (which means it's already ind...
Why does SSL handshake give 'Could not generate DH keypair' exception?
...r = Logger.getLogger(SSLExcludeCipherConnectionHelper.class);
private String[] exludedCipherSuites = {"_DHE_","_DH_"};
private String trustCert = null;
private TrustManagerFactory tmf;
public void setExludedCipherSuites(String[] exludedCipherSuites) {
this.exludedCipherSu...
Array versus linked-list
...nefit from
the cache.
Another disadvantage of linked lists
is the extra storage needed for
references, which often makes them
impractical for lists of small data
items such as characters or boolean
values. It can also be slow, and with
a naïve allocator, wasteful, to
allocate m...
Function to convert column number to letter?
... letter for a given column number.
Function Col_Letter(lngCol As Long) As String
Dim vArr
vArr = Split(Cells(1, lngCol).Address(True, False), "$")
Col_Letter = vArr(0)
End Function
testing code for column 100
Sub Test()
MsgBox Col_Letter(100)
End Sub
...
Abstract classes in Swift Language
... the protocol extension.
protocol MyInterface {
func myMethod() -> String
}
extension MyInterface {
func myMethod() -> String {
fatalError("Not Implemented")
}
}
class MyConcreteClass: MyInterface {
func myMethod() -> String {
return "The output"
}...
How do I add multiple arguments to my custom template filter in a django template?
...lter, but there's no reason you can't put all your arguments into a single string using a comma to separate them.
So for example, if you want a filter that checks if variable X is in the list [1,2,3,4] you will want a template filter that looks like this:
{% if X|is_in:"1,2,3,4" %}
Now we can cr...
Passing properties by reference in C#
...Here are a few ways you can work around this limitation.
1. Return Value
string GetString(string input, string output)
{
if (!string.IsNullOrEmpty(input))
{
return input;
}
return output;
}
void Main()
{
var person = new Person();
person.Name = GetString("test", pe...
Rename all files in directory from $filename_h to $filename_half?
...
Nice use of bash's built-in string replacement rather than sed
– dandrews
Aug 5 '12 at 18:48
3
...
Placeholder in UITextView
...HolderTextView : UITextView
@property (nonatomic, retain) IBInspectable NSString *placeholder;
@property (nonatomic, retain) IBInspectable UIColor *placeholderColor;
-(void)textChanged:(NSNotification*)notification;
@end
UIPlaceHolderTextView.m:
#import "UIPlaceHolderTextView.h"
@interface UI...