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Rails hidden field undefined method 'merge' error
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You should do:
<%= f.hidden_field :service, :value => "test" %>
hidden_field expects a hash as a second argument
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Difference between 'self' and 'total' in Chrome CPU Profile of JS
...statements, and not function calls? And total is all the code executing inside the call?
– CoolUserName
Aug 19 '11 at 21:39
42
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Is there a way to change context to iframe in javascript console?
...eloper tool/firebug console to execute its code like it is running from inside an iframe on the page.
6 Answers
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Xcode variables
...g if it's possible to get the build type (i.e., Release or Debug ). Any ideas?
2 Answers
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JNI converting jstring to char *
.../wiki/Java_Native_Interface
http://download.oracle.com/javase/1.5.0/docs/guide/jni/spec/functions.html
concerning your problem you can use this
JNIEXPORT void JNICALL Java_ClassName_MethodName(JNIEnv *env, jobject obj, jstring javaString)
{
const char *nativeString = env->GetStringUTFCha...
Initialize a long in Java
...ong.valueOf(long) returns a Long, not a primitive long. MByD's solution avoids to rely on auto-boxing.
– gouessej
Oct 27 '17 at 8:30
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How can I get pg_dump to authenticate properly
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If I configure my Postgres inside Docker, will this setup work for connections coming my localhost?
– Jack Chi
Sep 4 at 22:52
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CSS: transition opacity on mouse-out?
...seudo-class, and not to the element itself.
.item {
height:200px;
width:200px;
background:red;
-webkit-transition: opacity 1s ease-in-out;
-moz-transition: opacity 1s ease-in-out;
-ms-transition: opacity 1s ease-in-out;
-o-transition: opacity 1s ease-in-out;
transition: opacity ...
Meaning of …interface{} (dot dot dot interface)
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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What does “Protocol … can only be used as a generic constraint because it has Self or associated typ
...lf, rhs: Self) -> Bool
And a protocol that contains Self somewhere inside it cannot be used anywhere except in a type constraint.
Here is a similar question.
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