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How to redirect cin and cout to files?
...}
Note that ios_base::sync_with_stdio also resets std::cin.rdbuf. So the order matters.
See also Significance of ios_base::sync_with_stdio(false); cin.tie(NULL);
Std io streams can also be easily shadowed for the scope of single file, which is useful for competitive programming:
#include <bi...
What does Java option -Xmx stand for? [duplicate]
...ged. To learn about XX commands, please see this: docs.oracle.com/cd/E13150_01/jrockit_jvm/jrockit/jrdocs/refman/…
– Nishant
Sep 30 '14 at 6:11
16
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Switching to a TabBar tab view programmatically?
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Like Stuart Clark's solution but for Swift 3:
func setTab<T>(_ myClass: T.Type) {
var i: Int = 0
if let controllers = self.tabBarController?.viewControllers {
for controller in controllers {
if let nav = controller as? UINavigationController, nav.topViewCont...
How do I list the functions defined in my shell?
...
in GNU bash 4.3.46(1)-release (x86_64-pc-linux-gnu) -F lists names / -f lists whole function
– ceph3us
Jul 29 '16 at 5:35
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UITableViewCell Separator disappearing in iOS7
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I dumped the subview hierarchy of affected cells and found that the _UITableViewCellSeparatorView was set to hidden. No wonder it's not shown!
I overrode layoutSubviews in my UITableViewCell subclass and now the separators are displayed reliably:
Objective-C:
- (void)layoutSubviews {
[...
Adding an onclick function to go to url in JavaScript?
...uery to send a user to a different URL you can do it like this:
$("a#thing_to_click").on('click', function(){
window.location = "http://www.google.com/";
});
this way will work too but the above is the newer more correct way to do it these days
$("a#thing_to_click").click(function(e){
...
How do I rename a column in a database table using SQL?
... This is also not supported in Microsoft SQL Server. Instead use sp_rename as per Galwegian's answer: stackoverflow.com/a/174586/834431
– Chris
Dec 11 '13 at 13:15
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How do I generate random numbers in Dart?
...0.9 ... the result would be for example -0.32
– just_a_dude
Nov 7 '13 at 13:59
2
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How to set a Timer in Java?
... DB operation. There is a common misconception that you need a "timer" in order to time things, but you don't. You need only to DO something, and by using the current time make sure you don't DO IT too long.
– AgilePro
Jan 14 '13 at 18:35
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Remove all the children DOM elements in div
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From the dojo API documentation:
dojo.html._emptyNode(node);
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