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Should Jquery code go in header or footer?
...efore </body>.
If you are unable to do so due to templating issues and whatnot, decorate your script tags with the defer attribute so that the browser knows to download your scripts after the HTML has been downloaded:
<script src="my.js" type="text/javascript" defer="defer"></scrip...
Retain cycle on `self` with blocks
...'s no real alternative here. If you're designing your own block-based API, and it makes sense to do so, you could have the block get passed the value of self in as an argument. Unfortunately, this doesn't make sense for most APIs.
Please note that referencing an ivar has the exact same issue. If yo...
Is there a performance difference between CTE , Sub-Query, Temporary Table or Table Variable?
In this excellent SO question , differences between CTE and sub-queries were discussed.
4 Answers
...
How to import other Python files?
...t__): Because this function is meant for use by the Python interpreter and not for general use it is better to use importlib.import_module() to programmatically import a module.
– Tadhg McDonald-Jensen
Feb 23 '16 at 15:04
...
Is there a way to remove the separator line from a UITableView?
...rStyle. Make sure the property is set to UITableViewCellSeparatorStyleNone and you're set.
Objective-C
self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
In Swift (prior to 3)
tableView.separatorStyle = .None
In Swift 3/4/5
tableView.separatorStyle = .none
...
CodeIgniter - accessing $config variable in view
...
Actualy within a view $this refers to CI_Loader and get_instance() refers to the CI_Base() as always.
– Phil Sturgeon
Apr 13 '10 at 18:32
add a comm...
How can I check for “undefined” in JavaScript? [duplicate]
.../ true
As @CMS pointed out, this has been patched in ECMAScript 5th ed., and undefined is non-writable.
if (window.myVar) will also include these falsy values, so it's not very robust:
false
0
""
NaN
null
undefined
Thanks to @CMS for pointing out that your third case - if (myVariable) can als...
How to set HttpResponse timeout for Android in Java
...on timeout throws java.net.SocketTimeoutException: Socket is not connected and the socket timeout java.net.SocketTimeoutException: The operation timed out.
HttpGet httpGet = new HttpGet(url);
HttpParams httpParameters = new BasicHttpParams();
// Set the timeout in milliseconds until a connection is...
How do I add a Fragment to an Activity with a programmatically created content view
...ework expects the fragment's constructor (with no parameters) to be public and visible. Moving the fragment into the Activity as an inner class, or creating a new java file for the fragment fixes that.
The second issue is that when you're adding a fragment this way, you must pass a reference to the...
常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...示当前目录的内容
[root@KEDACOM ~]# ls
NRU_CMU_DISK_SIZE_NOTIFY2008 anaconda-ks.cfg install.log install.log.syslog
显示名称以“.”开头的隐藏文件
[root@KEDACOM ~]# ls -a
.bash_histor .bash_profile .cshrc .ssh NRU_CMU_DISK_SIZE_NOTIFY2008 install.log .bash_logout .mys...