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Set transparent background using ImageMagick and commandline prompt
...owing:
convert test.png -transparent white transparent.png
That changed all the white in the test.png to transparent.
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How can I clear an HTML file input with JavaScript?
...e mechanism for clearing already selecting output. I tried using an empty string but it did not work in all browsers, NULL worked in all the browsers I tried (Opera, Chrome, FF, IE11+ and Safari).
EDIT:
Please note that setting to NULL works on all browsers while setting to an empty string did not...
Simple explanation of MapReduce?
...nt word counts.
The pseudo-code for this application, is given bellow:
map(String key, String value):
// key: document name
// value: document contents
for each word w in value:
EmitIntermediate(w, “1”);
reduce(String key, Iterator values):
// key: a word
// values: a list of counts
int resul...
Server.Transfer Vs. Response.Redirect
... the same and, with a little bug-bashing, allows you to transfer the query string and form variables.
Something I found and agree with (source):
Server.Transfer is similar in that it sends the user to another page
with a statement such as Server.Transfer("WebForm2.aspx"). However,
the state...
How to change Status Bar text color in iOS
...like me, copy and past away: <key>UIStatusBarStyle</key> <string>UIStatusBarStyleLightContent</string> <key>UIViewControllerBasedStatusBarAppearance</key> <false/>
– Adam Waite
Jun 28 '14 at 23:23
...
Seeing the console's output in Visual Studio 2010?
...after processing but before exiting:
class Program
{
static void Main(string[] args)
{
DummyObjectList dol = new DummyObjectList(2);
dol.Add(new DummyObject("test1", (Decimal)25.36));
dol.Add(new DummyObject("test2", (Decimal)0.698));
XmlSerializer dolxs = ne...
Ternary operator in AngularJS templates
...-class takes an expression that must evaluate to one of the following:
a string of space-delimited class names
an array of class names
a map/object of class names to boolean values.
An example of 1) was given above. Here is an example of 3, which I think reads much better:
<li ng-class="...
Adding values to a C# array
Probably a really simple one this - I'm starting out with C# and need to add values to an array, for example:
23 Answers
...
VBA - how to conditionally skip a for loop iteration
...iteration. I would suggest a judicious use of Goto as a workaround, especially if this is just a contrived example and your real code is more complicated:
For i = LBound(Schedule, 1) To UBound(Schedule, 1)
If (Schedule(i, 1) < ReferenceDate) Then
PrevCouponIndex = i
Goto Nex...
JavaScript for…in vs for
...sOwnProperty(member)" which checks if a member returned by iterator is actually member of the object. See: javascript.crockford.com/code.html
– Damir Zekić
Oct 29 '08 at 23:09
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