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What is the meaning of id?
...NSObject protocol as well as the NSProxy class which does not even inherit from NSObject. The compiler will allow you to assign an object referenced by type id to any object type, assign any object type to id, as well as send it any message (that the compiler has seen) without warning.
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Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path
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Do I have to use keytool from java that is used by tomcat?because on one server I can have many java
– vikifor
Jan 3 '17 at 22:13
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JavaScript checking for null vs. undefined and difference between == and ===
...nse would be "null", since it definitely should return something different from typeof undefined. null represents a null object reference, which, at the very least, means the variable holding it is meant for some type of 'object'. If it was a mistake, it was a good mistake. Anyway, in regards to ...
.gitignore exclude files in directory but not certain directories
... on clone. The entries in .gitignore keeps others files within the folders from being tracked (unless you force it with git add -f ;)).
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Post an empty body to REST API via HttpClient
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Use StringContent or ObjectContent which derive from HttpContent or you can use null as HttpContent:
var response = await client.PostAsync(requestUri, null);
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Hibernate problem - “Use of @OneToMany or @ManyToMany targeting an unmapped class”
...had configured the sessionfactory and didn't think to include new entities from other branches.
– AEvans
Jun 21 '16 at 14:05
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HTML/Javascript change div content
...e of innerHTML can easily lead to XSS vulnerabilities when the value comes from an untrusted input. The use of innerText is always recommended for security reasons and currently it is supported by all browsers (caniuse.com/#feat=innertext)
– Mirko Conti
Jun 12...
How to add a button to PreferenceScreen
...r PreferenceActivity, add these two lines to your onCreate:
addPreferencesFromResource(R.xml.preferences);
setContentView(R.layout.main);
The ListView in your layout will then be replaced by the preferences defined the usual way in res/xml/preferences.xml.
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Why start a shell command with a backslash?
...on environment), then one also can't rely on command to not be overridden. From your own link: Thus, with no control over the execution environment, you cannot write shell scripts that are fully immune to tampering, unless you know that your code will be executed by dash, ksh, or bash (with the work...
django 1.5 - How to use variables inside static tag
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a cleaner way is to set the {% static %} as a variable from the beginning of the html so we can use it in any way we want.
{% load static %}
{% static "" as baseUrl %}
<img src="{{ baseUrl }}/img/{{p.id}}"></img>
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