大约有 15,480 项符合查询结果（耗时：0.0375秒） [XML]
Getting the first character of a string with $str[0]
...ey send you, from type to type[] for example, and then send 'Control' and 'Test' as the data for this array, $_POST['type'][0] will now return Control rather than C whereas substr($_POST['type'], 0, 1) will simply just fail.
So yes, there may be a problem with using $str[0], but that depends on the...
anchor jumping by using javascript
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In the latest Firefox, hash changes seem to force a reload for iFrames (in the src attribute). I'd consider this a browser bug, but something to be aware of.
– Beejor
Aug 20 '15 at 23:58
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How do you rename a MongoDB database?
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NOTE: Hopefully this changed in the latest version.
You cannot copy data between a MongoDB 4.0 mongod instance (regardless
of the FCV value) and a MongoDB 3.4 and earlier mongod instance.
https://docs.mongodb.com/v4.0/reference/method/db.copyDatabase/
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Check if a dialog is displayed with Espresso
I'm trying to write some tests with the new android-test-kit (Espresso) . But I can't find any information on how to check if a dialog is displayed and perform some actions on it (like clicking the positive and negative buttons, e.t.c.). Note that a dialog may be also displayed by a WebView , no...
What does mvn install in maven exactly do
...he mvn is as below: LifeCycle Bindings
process-resources
compile
process-test-resources
test-compile
test
package
install
deploy
The test phase of this mvn can be ignored by using a flag -DskipTests=true.
share
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PostgreSQL - max number of parameters in “IN” clause?
...e to the PostgreSQL backend, using Posgresql's JDBC driver 9.1.
This is a test of "delete from x where id in (... 100k values...)" with the postgresql jdbc driver:
Caused by: java.io.IOException: Tried to send an out-of-range integer as a 2-byte value: 100000
at org.postgresql.core.PGStream.Se...
Is it a bad practice to use an if-statement without curly braces? [closed]
...anyone else was wondering like I was which way C actually interprets it, a test I did with GCC interprets this code in the first way. tpcg.io/NIYeqx
– horta
May 23 '18 at 14:48
3
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Is there a way to iterate over a range of integers?
...nt with a ForClause and a Go range statement using the iter package.
iter_test.go
package main
import (
"testing"
"github.com/bradfitz/iter"
)
const loops = 1e6
func BenchmarkForClause(b *testing.B) {
b.ReportAllocs()
j := 0
for i := 0; i < b.N; i++ {
for j = 0; ...
How to assert two list contain the same elements in Python? [duplicate]
When writing test cases, I often need to assert that two list contain the same elements without regard to their order.
5 An...
Media query to detect if device is touchscreen
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The Modernizr.touch test only indicates if the browser supports touch events, which does not necessarily reflect a touchscreen device. For example, Palm Pre / WebOS (touch) phones do not support touch events and thus fail this test.
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