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Temporarily switch working copy to a specific Git commit
...the log, pick the commit you want, note down the sha1 hash that is used to identify the commit. Next, run git checkout hash. After you are done, git checkout original_branch. This has the advantage of not moving the HEAD, it simply switches the working copy to a specific commit.
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Replace comma with newline in sed on MacOS?
I have a file of id's that are comma separated. I'm trying to replace the commas with a new line. I've tried:
13 Answers
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Proper way to catch exception from JSON.parse
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If the try block contains more statements, you can identify the exception by e.name == "SyntaxError", provided you don't have an eval.
– user1158559
Dec 20 '15 at 20:54
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Pass request headers in a jQuery AJAX GET call
...ct from header HttpRequestMessage r = new HttpRequestMessage(); int mylogonID = Convert.ToInt32(r.Headers.GetValues("logonID")); error out because The given header was not found. because r.Headers is empty.
– Jeb50
Apr 15 '17 at 16:48
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How to calculate a time difference in C++
...rono>
class Timer
{
public:
Timer() : beg_(clock_::now()) {}
void reset() { beg_ = clock_::now(); }
double elapsed() const {
return std::chrono::duration_cast<second_>
(clock_::now() - beg_).count(); }
private:
typedef std::chrono::high_resolution_cloc...
Using new line(\n) in string and rendering the same in HTML
...ote that this will only replace the first occurence of the \n character inside the string. See the MDN documentation
– Dominic Boulanger
Jun 14 '16 at 17:59
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How do I automatically update a timestamp in PostgreSQL
...ate the column during insert, use a DEFAULT value:
CREATE TABLE users (
id serial not null,
firstname varchar(100),
middlename varchar(100),
lastname varchar(100),
email varchar(200),
timestamp timestamp default current_timestamp
)
Note that the value for that column can explicitly be...
How to fire AJAX request Periodically?
...ighlight a bit more advanced technique that I learned from this excellent video by Paul Irish: http://paulirish.com/2010/10-things-i-learned-from-the-jquery-source/
For periodic tasks that might end up taking longer than the repeat interval (like an HTTP request on a slow connection) it's best not ...
Android image caching
...response instanceof Bitmap) {
Bitmap bitmap = (Bitmap)response;
}
Provides both memory and flash-rom cache, shared with the browser.
grr. I wish somebody had told ME that before i wrote my own cache manager.
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jQuery ui dialog change title after load-callback
...d", duration: 1000 }, hide: { effect: "explode", duration: 1000 }, close: function () {; }, title:"test" }).dialog("open");
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