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Detect encoding and make everything UTF-8
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If you apply utf8_encode() to an already UTF-8 string, it will return garbled UTF-8 output.
I made a function that addresses all this issues. It´s called Encoding::toUTF8().
You don't need to know what the encoding of your strings is. It c...
How do I check if a file exists in Java?
...m there is an issue with stale file handles: bugs.java.com/bugdatabase/view_bug.do?bug_id=5003595 It's kind of obscure, but has been the cause of some frustrating bugs in production code before.
– CAW
Mar 17 '17 at 22:17
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What is the size of ActionBar in pixels?
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Thank you. I was trying to use @dimen/abc_action_bar_default_height directly (ActionBarComapt) and it worked (on mdpi device). But trying to get this value on Samsung Galaxy SIII returned me wrong value. That is because values-xlarge (somehow) is more preferred than...
How to change background color in android app
... but isn't it easier just to use the hex value?
– the_prole
Jun 21 '14 at 9:31
it would be very easy, but bad practice...
Reset auto increment counter in postgres
... column, then the sequence is not simply called product, but rather product_id_seq (that is, ${table}_${column}_seq).
This is the ALTER SEQUENCE command you need:
ALTER SEQUENCE product_id_seq RESTART WITH 1453
You can see the sequences in your database using the \ds command in psql. If you do \...
Setting variable to NULL after free
... only not best practice, it's wrong. For example: foo* bar=getFoo(); /*more_code*/ free(bar); /*more_code*/ return bar != NULL;. Here, setting bar to NULL after the call to free will cause the function to think it never had a bar and return the wrong value!
– David Schwartz
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Get current time as formatted string in Go?
...4:05 MST 2006"
userTimeString := "Fri Dec 6 13:05:05 CET 2019"
t, _ := time.Parse(layout, userTimeString)
fmt.Println("Server: ", t.Format(time.RFC850))
//Server: Friday, 06-Dec-19 13:05:05 CET
mumbai, _ := time.LoadLocation("Asia/Kolkata")
mumbaiTime := t.In(mumbai)
f...
How to return an array from JNI to Java?
...ode is going to look something like this:
JNIEXPORT jintArray JNICALL Java_ArrayTest_initIntArray(JNIEnv *env, jclass cls, int size)
{
jintArray result;
result = (*env)->NewIntArray(env, size);
if (result == NULL) {
return NULL; /* out of memory error thrown */
}
int i;
// fill a temp...
Why does the 260 character path length limit exist in Windows?
...iscussed in the following paragraphs), the maximum length for a path is MAX_PATH, which is defined as 260 characters. A local path is structured in the following order: drive letter, colon, backslash, name components separated by backslashes, and a terminating null character. For example, the maximu...
Does order of where clauses matter in SQL?
...nswered Jul 11 '12 at 15:50
marc_smarc_s
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