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Random strings in Python

... In many cases, random isn't really required. Rather, all you really need is unique. – Chase Seibert Jan 8 '10 at 19:48 1 ...
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What is the difference between Step Into and Step Over in the Eclipse debugger?

...e executed next, indicated by ->) at the f(x) line in g(), having been called by the g(2) line in main(): public class testprog { static void f (int x) { System.out.println ("num is " + (x+0)); // <- STEP INTO } static void g (int x) { -> f(x); // f(1); //...
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What is the meaning of “$” sign in JavaScript

...of $ in JavaScript. $ is simply a valid JavaScript identifier. JavaScript allows upper and lower letters, numbers, and $ and _. The $ was intended to be used for machine-generated variables (such as $0001). Prototype, jQuery, and most javascript libraries use the $ as the primary base object (or f...
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curl: (60) SSL certificate problem: unable to get local issuer certificate

... Actually I struggled for an hour as I did not write path inside quotes. So please take a note here curl.cainfo="/path/to/downloaded/cacert.pem" // Do not forget to write between quotes – Himanshu Upadhyay ...
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How to return PDF to browser in MVC?

...e objects... – Kobi Feb 8 '12 at 16:32 Yes, using statements are good. If this is a production app with more than, say...
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Can I force a page break in HTML printing?

... Add a CSS class called "pagebreak" (or "pb"), like so: @media print { .pagebreak { page-break-before: always; } /* page-break-after works, as well */ } Then add an empty DIV tag (or any block element that generates a box) where you wan...
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Where are my postgres *.conf files?

I have recently reinstalled postgresql 8.3 on my Ubuntu 8.04 after update. Used EnterpriseDB package. I can connect to the database locally, I see system DB postgres but I can't configure it because I can't find config files. Searched through entire hard drive and found only samples like pg_hba.con...
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How does the bitwise complement operator (~ tilde) work?

...ng the binary representation of a number, taking its complement (inverting all the bits) and adding one. Two starts as 0000 0010, and by inverting the bits we get 1111 1101. Adding one gets us the result above. The first bit is the sign bit, implying a negative. So let's take a look at how we get ~2...
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Manipulating an Access database from Java without ODBC

... UCanAccess is a pure Java JDBC driver that allows us to read from and write to Access databases without using ODBC. It uses two other packages, Jackcess and HSQLDB, to perform these tasks. The following is a brief overview of how to get it set up.   Option 1: Using...
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Include constant in string without concatenating

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