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How to verify if a file exists in a batch file?

... IF /? help file: The ELSE clause must occur on the same line as the command after the IF. This burned me. hope it helps you. – funkymushroom Feb 27 '14 at 17:58 ...
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String to Dictionary in Python

So I've spent way to much time on this, and it seems to me like it should be a simple fix. I'm trying to use Facebook's Authentication to register users on my site, and I'm trying to do it server side. I've gotten to the point where I get my access token, and when I go to: ...
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Is the 'type' attribute necessary for tags?

... This attribute specifies the scripting language of the element's contents and overrides the default scripting language. The scripting language is specified as a content type (e.g., "text/javascript"). Authors must supply a value for this attribute. There is no default value for this attribute. ...
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How to delete last item in list?

...this program that calculates the time taken to answer a specific question, and quits out of the while loop when answer is incorrect, but i want to delete the last calculation, so i can call min() and it not be the wrong time, sorry if this is confusing. ...
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How can i use iptables on centos 7? [closed]

.... It is possible to go back to a more classic iptables setup. First, stop and mask the firewalld service: systemctl stop firewalld systemctl mask firewalld Then, install the iptables-services package: yum install iptables-services Enable the service at boot-time: systemctl enable iptables ...
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receiving error: 'Error: SSL Error: SELF_SIGNED_CERT_IN_CHAIN' while using npm

... My issue was caused by a proxy that I'm behind, "npm config set ca null" and 'npm config set ca ""' still gave me the same error, but removing SSL worked perfectly. Sometimes good practice isn't as important as what actually works. – Cory Schulz Aug 27 '14 at...
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What does jQuery.fn mean?

...pe property. The jQuery identifier (or $) is just a constructor function, and all instances created with it, inherit from the constructor's prototype. A simple constructor function: function Test() { this.a = 'a'; } Test.prototype.b = 'b'; var test = new Test(); test.a; // "a", own property t...
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How to create a directory in Java?

... result = true; } catch(SecurityException se){ //handle it } if(result) { System.out.println("DIR created"); } } share | improve this answ...
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how to debug the js in jsfiddle

... know how to debug through the javascript. I tried to use the debugger command and I cant find it in the sources tab? any idea how I can debug this? ...
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Python string.replace regular expression [duplicate]

... answered May 23 '13 at 17:53 Andrew ClarkAndrew Clark 171k2525 gold badges236236 silver badges278278 bronze badges ...