大约有 2,300 项符合查询结果（耗时：0.0190秒） [XML]
In a django model custom save() method, how should you identify a new object?
... or updated in the database.
The Django O/RM features an especially nasty hack which is basically to check if there is something at the PK position and if so do an UPDATE, otherwise do an INSERT (this gets optimised to an INSERT if the PK is None).
The reason why it has to do this is because you a...
Given the lat/long coordinates, how can we find out the city/country?
... An example would've been invaluable
– Hack-R
Jul 13 '16 at 17:42
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Is bool a native C type?
...el and the standard: http://www.ibm.com/developerworks/linux/library/l-gcc-hacks/index.html
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How do I make a batch file terminate upon encountering an error?
..., although I've never encountered a negative errorlevel in any of my batch-hacking on XP or Vista.
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Uncatchable ChuckNorrisException
...t allow it, but since we've already disabled the verifier, maybe one could hack the bytecode to do it.)
– Ilmari Karonen
Dec 14 '12 at 18:40
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Is there a Java equivalent or methodology for the typedef keyword in C++?
...rt it. However, if you control all the types involved you CAN pull a nasty hack at the library level- you either extend B from A or have B implement A.
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Changing route doesn't scroll to top in the new page
...ain their scroll positions):
.run(function($anchorScroll, $window) {
// hack to scroll to top when navigating to new URLS but not back/forward
var wrap = function(method) {
var orig = $window.window.history[method];
$window.window.history[method] = function() {
var retval = orig.a...
Force DOM redraw/refresh on Chrome/Mac
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This is great thanks! It worked. It's 2020, and this hack is from January '15. Any idea why this issue has not been fixed?
– Kai
yesterday
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Set padding for UITextField with UITextBorderStyleNone
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I found a neat little hack to set the left padding for this exact situation.
Basically, you set the leftView property of the UITextField to be an empty view of the size of the padding you want:
UIView *paddingView = [[UIView alloc] initWithFram...
What is “android:allowBackup”?
..." in the manifest file.
You can read this post to have more information:
Hacking Android Apps Using Backup Techniques
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