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Why doesn't the JVM cache JIT compiled code?

... I would personally be fine with a "just persist the JIT profiling information between runs" option with all the warnings that "this will only be valid with exact same JVM, same data etc and otherwise ignored". Regarding why this has not b...
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Change navbar color in Twitter Bootstrap

...lor: $colHighlight; background-color: $bgHighlight; }}} } And finally, a little gift I've just made a script which will allow you to generate your theme: TWBSColor - Generate your own Bootstrap navbar [Update]: TWBSColor now generates SCSS/SASS/Less/CSS code. [Update]: From now, you can...
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How to create .pfx file from certificate and private key?

I need .pfx file to install https on website on IIS. 15 Answers 15 ...
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Parse v. TryParse

...l indicating whether it succeeded. TryParse does not just try/catch internally - the whole point of it is that it is implemented without exceptions so that it is fast. In fact the way it is most likely implemented is that internally the Parse method will call TryParse and then throw an exception if...
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sh: 0: getcwd() failed: No such file or directory on cited drive

... This error is usually caused by running a command from a directory that no longer exist. Try changing your directory and re-run the command. share | ...
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What is the JavaScript version of sleep()?

...e 2009 when this question was asked, JavaScript has evolved significantly. All other answers are now obsolete or overly complicated. Here is the current best practice: function sleep(ms) { return new Promise(resolve => setTimeout(resolve, ms)); } async function demo() { console.log...
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List columns with indexes in PostgreSQL

...est%' line to the table(s) you want, or erase that line completely to find all indexes in your db. – Erik J Sep 26 '13 at 21:08 1 ...
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What does default(object); do in C#?

... value For Nullable<T> it returns the empty (pseudo-null) value (actually, this is a re-statement of the first bullet, but it is worth making it explicit) The biggest use of default(T) is in generics, and things like the Try... pattern: bool TryGetValue(out T value) { if(NoDataIsAvailab...
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ggplot with 2 y axes on each side and different scales

I need to plot a bar chart showing counts and a line chart showing rate all in one chart, I can do both of them separately, but when I put them together, I scale of the first layer (i.e. the geom_bar ) is overlapped by the second layer (i.e. the geom_line ). ...
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How should I escape strings in JSON?

When creating JSON data manually, how should I escape string fields? Should I use something like Apache Commons Lang's StringEscapeUtilities.escapeHtml , StringEscapeUtilities.escapeXml , or should I use java.net.URLEncoder ? ...