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Setting git parent pointer to a different parent
...sm (see definition of Git grafts in Git Glossary and documentation of .git/info/grafts file in Git Repository Layout documentation) to change parent of a commit, check that it did correct thing with some history viewer (gitk, git log --graph, etc.) and then use git filter-branch (as described in "Ex...
android webview geolocation
...gt;= Build.VERSION_CODES.KITKAT) {
if (0 != (getApplicationInfo().flags & ApplicationInfo.FLAG_DEBUGGABLE)) {
WebView.setWebContentsDebuggingEnabled(true);
}
}
webView.setInitialScale(1);
webView.getSettings(...
What is syntax for selector in CSS for next element?
...
2020: Browser support is great after ten years. Just a info for CSS novices.
– AlexioVay
Jan 5 at 19:27
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Difference between Xcode version (CFBundleShortVersionString) and build (CFBundleVersion)
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The Apple document "Information Property List Key Reference" says that CFBundleShortVersionString represents a release version, whereas CFBundleVersion represents any build, released or not. Also, CFBundleShortVersionString can be localized, th...
Can linux cat command be used for writing text to file?
...ing in single quotes. This is useful for .json and the likes, e.g. echo '{"info1": "123456"}' > info.json
– bkd
Nov 22 '18 at 14:11
...
Why does this async action hang?
...xample:
public Foo GetFooSynchronous()
{
var foo = new Foo();
foo.Info = GetInfoAsync.Result; // often deadlocks in ASP.NET
return foo;
}
private async Task<string> GetInfoAsync()
{
return await ExternalLibraryStringAsync().ConfigureAwait(false);
}
The issue actually lay ...
What are Unwind segues for and how do you use them?
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Thanks for this info, I was looking for this.
– Madhu
Mar 11 '16 at 17:22
2
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When and why I should use session_regenerate_id()?
...eplace the current session ID with a new one, and keep the current session information.
What does it do?
It mainly helps prevent session fixation attacks. Session fixation attacks is where a malicious user tries to exploit the vulnerability in a system to fixate (set) the session ID (SID) of another...
CSS \9 in width property
...9, while in all other browsers, #myElement would be 300 pixels wide.
More info
EDIT:
This answer was written in 2011. It should now be noted that this hack also works in IE 10.
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improv...
Extract a regular expression match
...ng:
> test
[1] 4
attr(,"match.length")
[1] 5
So you can use that info with substr function
substr("aaa12456xxx",test,test+attr(test,"match.length")-1)
I'm sure there is a more elegant way to do this, but this was the fastest way I could find. Alternatively, you can use sub/gsub to strip...