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Mod in Java produces negative numbers [duplicate]
...e by doing this:
int i = (((-1 % 2) + 2) % 2)
or this:
int i = -1 % 2;
if (i<0) i += 2;
(obviously -1 or 2 can be whatever you want the numerator or denominator to be)
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strdup() - what does it do in C?
... char *dst = malloc(strlen (src) + 1); // Space for length plus nul
if (dst == NULL) return NULL; // No memory
strcpy(dst, src); // Copy the characters
return dst; // Return the new string
}
In other words:
It tries to alloc...
Retrieve column names from java.sql.ResultSet
...ame = rsmd.getColumnName(1);
and you can get the column name from there. If you do
select x as y from table
then rsmd.getColumnLabel() will get you the retrieved label name too.
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Set ImageView width and height programmatically?
...ght of the ImageView:
imageView.getLayoutParams().height = 20;
Important. If you're setting the height after the layout has already been 'laid out', make sure you also call:
imageView.requestLayout();
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How to disable Crashlytics during development
...ys to disable Crashlytics while you are doing your debug builds!
Use a different android:versionString for debug and release builds and then disable crash reporting from the Crashlytics web dashboard for the debug version.
Wrap the call to Crashlytics.start() in an if statement that checks a debu...
Move an array element from one array position to another
...
If you'd like a version on npm, array-move is the closest to this answer, although it's not the same implementation. See its usage section for more details. The previous version of this answer (that modified Array.prototype.m...
How to enter quotes in a Java string?
...Henry's answer, I'm not quite 100% sure I understand what you are asking.
If it is about getting double quote marks added into a string, you can concatenate the double quotes into your string, for example:
String theFirst = "Java Programming";
String ROM = "\"" + theFirst + "\"";
Or, if you want...
How can I get the browser's scrollbar sizes?
...
From Alexandre Gomes Blog I have not tried it. Let me know if it works for you.
function getScrollBarWidth () {
var inner = document.createElement('p');
inner.style.width = "100%";
inner.style.height = "200px";
var outer = document.createElement('div');
outer.style.positi...
How do I make Git ignore file mode (chmod) changes?
...ig core.fileMode false
From git-config(1):
core.fileMode
Tells Git if the executable bit of files in the working tree
is to be honored.
Some filesystems lose the executable bit when a file that is
marked as executable is checked out, or checks out a
non-executable file with ...
How to compare types
...ith another type in C#?
I mean, I've a Type typeField and I want to know if it is System.String , System.DateTime , etc., but typeField.Equals(System.String) doesn't work.
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