invocation Questions

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I would like to use prepared statements to insert thousands of rows at once into my postgres database. The data to insert is stored in a vector of structs. By reading the answers to How to prepare ...

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I was wondering what the 'this' value (or invocation context) is of the forEach callback function. This code doesn't seem to work: var jow = [5, 10, 45, 67]; jow.forEach(function(v, i, a){ this...
Descender asked 31/10, 2013 at 13:34

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Juypter notebook currently has a limitation: Starting terminal in current directory How do I do this from command-line (no Anaconda or other GUI), without the following unacceptable hacky approach...

1

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Recently discovered jq and am using it to format some data. How do I use it to access fields of a json object that happen to be numeric strings? For example, the following fails for me with an er...
Yiyid asked 22/9, 2018 at 20:6

3

For example, if I do this: var q = document.querySelectorAll; q('body'); I get an "Illegal invocation" error in Chrome. I can't think of any reason why this is necessary. For one, it's not the ...
Immemorial asked 24/5, 2012 at 18:52

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I have Crashlytics Framework added to my project, with a script. Run script: Shell: /bin/sh Script: ./Crashlytics.framework/run KEY_HERE When I try to run the project, I get the following error: ...
Sabayon asked 29/9, 2013 at 11:49

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for a Perl subroutine, if passing 0 argument, I can use 4 forms to call it. But if passing 1 or more arguments, there is one form that I can't use, please see below: sub name { print "hello\n"; }...
Rad asked 21/9, 2016 at 7:37

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It seems most documentation or helper libraries relating to JNI (Java Native Interface) are concerned with calling native code from Java. This seems to be the main use of it, even though it is capa...
French asked 24/9, 2011 at 8:6

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When I try to do the following: var getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia; // now I try to invoke it with some parameters: getUserMedia...
Wieche asked 18/12, 2014 at 17:7

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This works: Output "Cluster Group: ""$($Group.Name)"", Current Owner: $($Group.OwnerNode), Current State: $($Group.State)" This does not work: Output "Cluster Group: ""$($Group.Name)"", Current...
Nita asked 6/6, 2013 at 13:33

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After doing some reading I understand that handlers invocation order is the same order as subscribed but it is not guaranteed . So lets say I have : public event MYDEl ev; and subscribers do :...
Schwing asked 7/12, 2012 at 8:58

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A simple file like $ cat x.py x = u'Gen\xe8ve' print x when run will give me: $ python x.py Genève however, when run as a "command substitution" will give: $ echo $(python x.py) ... UnicodeE...
Fidgety asked 7/8, 2012 at 11:20

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I'm using the JNI invocation API, which starts a JVM within a C program; in this situation, you get a JNIEnv pointer which remains valid until you explicitly destroy the JVM. Does the local/global ...
Diaphoresis asked 11/10, 2010 at 14:35

1

I wanted to set cron job from php script file. I can able to execute php file using shell_exec() function. But Im not able to run cron job related commands. $output = shell_exec("crontab -l"); this...
Alarcon asked 9/5, 2012 at 7:54

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I'm creating a lambda function that executes a second function with a concrete params. This code works in Firefox but not in Chrome, its inspector shows a weird error, Uncaught TypeError: Illegal i...
Namangan asked 18/1, 2012 at 3:25

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Possible Duplicate: How to access the Java method in a C++ application I need to use JAR file in c++ program. i.e. from c++ i need to call java function, for example, In java there ...
Sullen asked 13/1, 2012 at 11:56

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Is it possible to call a Scheme function using only the function name that is available say as a string in a list? Example (define (somefunc x y) (+ (* 2 (expt x 2)) (* 3 y) 1)) (define func-na...
Straticulate asked 5/8, 2011 at 19:51

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I have a base-class called Element. Some other classes (like Label and Image) both extend this class. I now have a dispatching class having the following methods: public class Dispatcher { publi...
Honeybunch asked 14/2, 2010 at 21:1

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I have a command button on a winform. So, if I have something like: myButton.Click += MyHandler1; myButton.Click += MyHandler2; myButton.Click += MyHandler3; How can I tell if any particular MyH...
Trincomalee asked 4/11, 2010 at 2:36

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I am wondering if it is possible to load a .net DLL at runtime, view the methods available and execute one at runtime. If this is possible could you point me in the right direction
Edison asked 31/1, 2010 at 18:43

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If I write this line in Java: JOptionPane.showInputDialog(null, "Write something"); Which method will be called? showInputDialog(Component parent, Object message) showInputDialog(Object messag...
Billman asked 9/10, 2009 at 18:57

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I'd like to create an anonymous function and then invoke it immediately. 1) This will bring a syntax error. Why? function () { alert("hello"); }(); 2) wrap the function definition with () and ...
Ostosis asked 22/3, 2009 at 6:50
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