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How to create ls in windows command prompt?
...ir answer someday. I'd like to add that doing @dir %* will also remove the extra line so it is even more identical to dir
– Captain Man
May 22 '15 at 0:24
1
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How to get the device's IMEI/ESN programmatically in android?
...droid.telephony.TelephonyManager.getDeviceId().
This will return whatever string uniquely identifies the device (IMEI on GSM, MEID for CDMA).
You'll need the following permission in your AndroidManifest.xml:
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
in order t...
When to use EntityManager.find() vs EntityManager.getReference() with JPA
... dirty checking. Suppose the following
public class Person {
private String name;
private Integer age;
}
public class PersonServiceImpl implements PersonService {
public void changeAge(Integer personId, Integer newAge) {
Person person = em.getReference(Person.class, personI...
How do you fix a bad merge, and replay your good commits onto a fixed merge?
... one way another, so anyone with old copies of the commits will have to do
extra work to re-sync their history with the new history.
Solution 1: Amending Commits
If you accidentally made a change (such as adding a file) in your previous
commit, and you don't want the history of that change to ex...
How to store custom objects in NSUserDefaults
...g from NSUserDefaults:
- (void)saveCustomObject:(MyObject *)object key:(NSString *)key {
NSData *encodedObject = [NSKeyedArchiver archivedDataWithRootObject:object];
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
[defaults setObject:encodedObject forKey:key];
[def...
Border length smaller than div width?
...gt;Item 1</div>
<div>Item 2</div>
No need to use extra markup for presentational purpose. :after is also supported from IE8.
edit:
if you need a right-aligned border, just change left: 0 with right: 0
if you need a center-aligned border just simply set left: 50px;
...
Why does Twitter Bootstrap Use Pixels for Font Size?
...ling or anything.
Nesting ems historically has been a pain and can require extra math for figure computed/intended pixel values.
Mixing units of measurements is ugly and my inner OCD hates it.
Using units on line-height is generally discouraged, but provides immediate
knowledge of what the computed ...
How to check edittext's text is email address or not?
...an true for valid false for invalid
*/
public static boolean isEmailValid(String email) {
String expression = "^[\\w\\.-]+@([\\w\\-]+\\.)+[A-Z]{2,4}$";
Pattern pattern = Pattern.compile(expression, Pattern.CASE_INSENSITIVE);
Matcher matcher = pattern.matcher(email);
return matcher.m...
How to parse JSON in Java
... org.json library is easy to use. Example code below:
import org.json.*;
String jsonString = ... ; //assign your JSON String here
JSONObject obj = new JSONObject(jsonString);
String pageName = obj.getJSONObject("pageInfo").getString("pageName");
JSONArray arr = obj.getJSONArray("posts");
for (int...
How can I convert this foreach code to Parallel.ForEach?
...
string[] lines = File.ReadAllLines(txtProxyListPath.Text);
List<string> list_lines = new List<string>(lines);
Parallel.ForEach(list_lines, line =>
{
//Your stuff
});
...