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javac not working in windows command prompt
... and re-open or simply do:
set "path=%path%;c:\program files\java\jdk1.6.0_16\bin"
By way of checking, execute:
echo %path%
from your command prompt and let us know what it is.
Otherwise, make sure there is a javac in that directory by trying:
"c:\program files\java\jdk1.6.0_16\bin\javac.exe...
Hide the cursor of an UITextField
...irst, store the text field's selected text range to an instance variable.
_textFieldSelectedTextRange = textField.selectedTextRange;
textField.selectedTextRange = nil; // hides caret
Then, when you want to unhide the caret, simply set the text field's selected text range back to what it was origi...
ssl_error_rx_record_too_long and Apache SSL [closed]
...er trying to access one of my sites, and they keep getting this error > ssl_error_rx_record_too_long
15 Answers
...
Can I extend a class using more than 1 class in PHP?
...u really want to fake multiple inheritance, you can use the magic function __call().
This is ugly though it works from class A user's point of view :
class B {
public function method_from_b($s) {
echo $s;
}
}
class C {
public function method_from_c($s) {
echo $s;
}...
应用工具使用指导 · App Inventor 2 中文网
...空表示本应用（应用要先在应用市场上架）：
when 按钮_好评.Click() {
应用工具1.OpenAppMarket("")
}
案例二：打开微信，没装就提示
when 按钮_微信.Click() {
if 应用工具1.IsAppInstalled("com.tencent.mm") {
应用工具1.Ope...
How are feature_importances in RandomForestClassifier determined?
...ribute to the result to what extent. Therefore I am just using the feature_importances_ , which works well for me.
6 Answe...
Select random lines from a file
...
@J.F.Sebastian The code: sort -R input | head -n <num_lines>. The input file was 279GB, with 2bi+ lines. Can't share it, though. Anyway, the point is you can keep some lines in memory with shuffle to do the random selection of what to output. Sort is going to sort the entire...
How to remove non-alphanumeric characters?
...w what you wanted to do already, you basically defined it as a regex.
preg_replace("/[^A-Za-z0-9 ]/", '', $string);
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Backbone.js get and set nested object attribute
...del({
a: {b: 1, c: 2}
});
You can set the attribute "a.b" with:
var _a = _.omit(nestedAttrModel.get('a')); // from underscore.js
_a.b = 3;
nestedAttrModel.set('a', _a);
Now your model will have attributes like:
{a: {b: 3, c: 2}}
with the "change" event fired.
...
Specify sudo password for Ansible
...mmand line via --extra-vars "name=value". Sudo password variable is ansible_sudo_pass. So your command would look like:
ansible-playbook playbook.yml -i inventory.ini --user=username \
--extra-vars "ansible_sudo_pass=yourPassword"
Update 2017: Ansible 2.2.1.0 now use...