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How to pass objects to functions in C++?
... func (vector* vp);
Similar to non-const reference. The caller typically sets the variable to NULL when the function is not supposed to write back a value. This convention is seen in many glibc APIs. Example:
void func (string* str, /* ... */) {
if (str != NULL) {
*str = some_value; /...
How to make an alert dialog fill 90% of screen size?
... platform developer Dianne Hackborn in this discussion group post, Dialogs set their Window's top level layout width and height to WRAP_CONTENT. To make the Dialog bigger, you can set those parameters to MATCH_PARENT.
Demo code:
AlertDialog.Builder adb = new AlertDialog.Builder(this);
Dia...
Use Font Awesome Icons in CSS
...nt it, without having to add all kinds of messy extra mark-up.
Be sure to set position:relative on your actual text wrapper for the positioning to work.
.mytextwithicon {
position:relative;
}
.mytextwithicon:before {
content: "\25AE"; /* this is your text. You can also use UTF-8 chara...
Why use Dijkstra's Algorithm if Breadth First Search (BFS) can do the same thing faster?
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Transmitting newline character “\n”
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How to rollback just one step using rake db:migrate
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Two submit buttons in one form
I have two submit buttons in a form. How do I determine which one was hit serverside?
19 Answers
...
Generate random 5 characters string
...sions since it's incremental):
function incrementalHash($len = 5){
$charset = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
$base = strlen($charset);
$result = '';
$now = explode(' ', microtime())[1];
while ($now >= $base){
$i = $now % $base;
$result = $cha...
Deleting multiple elements from a list
...r indices was only simplicity of the record. it would be a perfect job for set() giving O(n)
– SilentGhost
Jan 31 '09 at 3:57
23
...
Choose File Dialog [closed]
...his);
switch(id) {
case DIALOG_LOAD_FILE:
builder.setTitle("Choose your file");
if(mFileList == null) {
Log.e(TAG, "Showing file picker before loading the file list");
dialog = builder.create();
return dialog;
...