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Does running git init twice initialize a repository or reinitialize an existing repo?
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it's mean that you already initialized the git. because you already upload a file on github from this path. you check the path then a folder is created by name of .git. That is why you don't requried again to initialized git. you can go to direct next step
git add .
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Reuse a parameter in String.format?
Does the hello variable need to be repeated multiple times in the call to the format method or is there a shorthand version that lets you specify the argument once to be applied to all of the %s tokens?
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Symbol for any number of any characters in regex?
...'). See this question for more info on that topic.
– Captain Man
Aug 11 '15 at 19:32
add a co...
Rails hidden field undefined method 'merge' error
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You are using a hidden_field instead of a hidden_field_tag. Because you are using the non-_tag version, it is assumed that your controller has already set the value for that attribute on the object that backs the form. For example:
controller:
def new
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@order.service = "test"
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Difference between 'self' and 'total' in Chrome CPU Profile of JS
...total is how much time was spent in that function, and in the functions it called.
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Xcode variables
In Xcode, I know that you can get variables such as PROJECT_DIR to use in some situations, such as a run script build phase. I am wondering if it's possible to get the build type (i.e., Release or Debug ). Any ideas?
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JNI converting jstring to char *
...vase/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->GetStringUTFChars(javaString, 0);
// use your string
env->Rel...
Initialize a long in Java
... add L: long i = 12345678910L;.
Yes.
BTW: it doesn't have to be an upper case L, but lower case is confused with 1 many times :).
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How can I get pg_dump to authenticate properly
...GPASSWORD and .pgpass and neither of these two will allow me to authenticate to the database. I have chmod 'd .pgpass to appropriate permissions and also tried:
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CSS: transition opacity on mouse-out?
...ant the transition to affect the mouse-over event, but only mouse-out, you can turn transitions off for the :hover state :
.item:hover {
-webkit-transition: none;
-moz-transition: none;
-ms-transition: none;
-o-transition: none;
transition: none;
zoom: 1;
filter: alpha(opacity=50);
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