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Why does JavaScript only work after opening developer tools in IE once?
... @Meekohi if(!console) will cause the same error - it should read if(!window.console)
– mindplay.dk
Aug 14 '12 at 12:55
9
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Remove blank lines with grep
... tried grep -v '^$' in Linux and that didn't work. This file came from a Windows file system.
14 Answers
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Changing route doesn't scroll to top in the new page
... if it happens to be at the top of the page. Otherwise you'll have to run $window.scrollTo(0,0) in $stateChangeSuccess event listener
– Filip Sobczak
Oct 14 '15 at 15:13
...
Is there a way to collapse all code blocks in Eclipse?
... to Ctrl+Shift+NUM_KEYPAD_DIVIDE.
You can change it to something else via Window -> Preferences, search for "Keys", then for "Collapse All".
To open all code blocks the shortcut is Ctrl+Shift+NUM_KEYPAD_MULTIPLY.
In the Eclipse extension PyDev, close all code blocks is
Ctrl + 9
To open all b...
How to read a single char from the console in Java (as the user types it)?
... class RawConsoleInput that uses JNA to call operating system functions of Windows and Unix/Linux.
On Windows it uses _kbhit() and _getwch() from msvcrt.dll.
On Unix it uses tcsetattr() to switch the console to non-canonical mode, System.in.available() to check whether data is available and System...
JavaScript property access: dot notation vs. brackets?
...
And this triggers the dreaded "expected indentifier" (at least on IE8 on windows xp, I havn't tried other environments). The simple fix for that is to switch to bracket notation:
app.users['new'] = {
// some code
}
sha...
When to use os.name, sys.platform, or platform.system?
...em says
def system():
""" Returns the system/OS name, e.g. 'Linux', 'Windows' or 'Java'.
An empty string is returned if the value cannot be determined.
"""
return uname()[0]
def uname():
# Get some infos from the builtin os.uname API...
try:
system,node,relea...
Why does Windows64 use a different calling convention from all other OSes on x86-64?
...es the calling convention to use on x86-64. All OSes follow it, except for Windows which has it's own x86-64 calling convention. Why?
...
Can I read the hash portion of the URL on my server-side application (PHP, Ruby, Python, etc.)?
...d within the URL via javascript using, as an example:
<script>alert(window.location.hash);</script>
The parse_url() function in PHP can work if you already have the needed URL string including the fragment (http://codepad.org/BDqjtXix):
<?
echo parse_url("http://foo?bar#fizzbuzz",...
How do browsers pause/change Javascript when tab or window is not active?
...To see what happens when you switch to a different tab or have an inactive window, simply open the page, switch to a different tab and wait for a while. It will continue to log the actual time it takes for these functions in an inactive tab.
Test Two
Another way to test it is to log the timestamp ...
