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how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)
...very nice and short
<img src="imagenotfound.gif" alt="Image not found" onerror="this.src='imagefound.gif';" />
But, be careful. The user's browser will be stuck in an endless loop if the onerror image itself generates an error.
EDIT
To avoid endless loop, remove the onerror from it at on...
Find where java class is loaded from
Does anyone know how to programmaticly find out where the java classloader actually loads the class from?
11 Answers
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Are there any open source C libraries with common data structures? [closed]
....
This list is from its module list, which includes a TON of other things. One interesting one is "c-stack: Stack overflow handling, causing program exit."
list
array-list
carray-list
linked-list
avltree-list
rbtree-list
linkedhash-list
avltreehash-list
rbtreehash-list
sublist ( Sequential list d...
Python's equivalent of && (logical-and) in an if-statement
...t_and_return(False) and print_and_return(True)
False
As you can see only one print statement is executed, so Python really didn't even look at the right operand.
This is not the case for the binary operators. Those always evaluate both operands:
>>> res = print_and_return(False) & p...
How to set the current working directory? [duplicate]
...yntax error in Python. You can even use them to put multiple statements on one line D-: But they are certainly very bad style.
– Arthur Tacca
Oct 27 '16 at 7:56
3
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JavaScript - Replace all commas in a string [duplicate]
... multiple commas, and the string replace method will only change the first one:
3 Answers
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How to print the full traceback without halting the program?
...TypeError: Again !?!
If you really need to access the original traceback one solution is to cache the exception infos as returned from exc_info in a local variable and display it using print_exception:
import traceback
import sys
try:
raise TypeError("Oups!")
except Exception, err:
try:
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How can I record a Video in my Android App.?
...d Media: Developing Graphics, Music, Video, and Rich Media Apps for Smartphones and Tablets
Also, do not forget to include these permissions in manifest:
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-permission android:name="android.permission.CAMERA" />
<...
How to convert ASCII code (0-255) to its corresponding character?
... new String(new char[] { 65 })
You will end up with a string of length one, whose single character has the (ASCII) code 65. In Java chars are numeric data types.
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Clear text from textarea with selenium
...the proper error message appears when text in certain fields are invalid. One check for validity is that a certain textarea element is not empty.
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